Light-Weight Aikido Pants (KS100)

Name: Light-Weight Aikido Pants (KS100)
Brand: Seido
SKU: KS100P
Price: 5400.0 JPY
Availability: InStock
Rating: 5.0 (7 reviews)

SKU: KS100P

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Aikidogi Size Chart
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Lightweight Aikidogi Pants - Single Layer (KS100)

Made in Japan | Single layer | Bleached

Material: Cotton 100% - Shrinkage: 3%

Weight (size 4): 0.3 kg

Long requested by many customers, this lightweight model was created to fulfill the needs of practitioners who need traveling pants.
Unlike our other models, those Aikido pants don't have a double layer on the knees, and are therefore less durable than models of higher quality, especially for Suwariwaza practice.
Very light and very comfortable, it will please Aikidoists in need of light equipment for frequent seminar travels as well as practitioners living in tropical climates. However, we do not recommend it for women not wearing a Hakama as it is slightly see-through.

Like all our equipment, this model is 100% made in Japan.

This product consists of one pair of pants only.

How to Choose your Aikidogi - Size & Model

As an expert in manufacturing Aikido equipment, Seido can provide you with the technical details and measurements of all its Aikido Dogi models. You will find our elaborate advice on which model to choose after the size tables.

Contents

Aikidogi Size Tables

These measurements correspond to the measurements of the Dogi when we receive it from the workshop and do not take shrinking into account. Because our Aikidogi are handmade, they may show slight variations within the same size range. More important differences may happen if the fabric did not shrink as much as expected during the bleaching process, but the fabric will shrink more during further washing, and the final measurements will always be the same. All measurements are defined in centimeters and kilograms (imperial metrics are for informational purpose only). You can display multiple size tables at once for easy comparison.

Note on the height/weight ratio:
Ideal weight: ideal weight for which the sizing has been designed.
Max weight: maximum recommended weight for a reasonably correct fit.

Light-Weight "Aiki" Aikidogi (KS200)

Recommended Size				Jacket			Pants
Your Height	Ideal Weight	Max. Weight	Dogi Size	A Length	B Width	C Sleeve	A' Length	B' Width
145 cm ~ 155 cm	35 kg ~ 55 kg	55 kg ~ 65 kg	2	74 cm	52 cm	62 cm	83 cm	50 cm
150 cm ~ 160 cm	40 kg ~ 55 kg	55 kg ~ 65 kg	2.5 (2L)	74 cm	52 cm	65 cm	87 cm	52 cm
155 cm ~ 165 cm	45 kg ~ 60 kg	60 kg ~ 70 kg	3	81 cm	55 cm	68 cm	90 cm	54 cm
160 cm ~ 170 cm	50 kg ~ 65 kg	65 kg ~ 75 kg	3.5 (3L)	81 cm	55 cm	72 cm	94 cm	56 cm
165 cm ~ 175 cm	55 kg ~ 70 kg	70 kg ~ 80 kg	4	88 cm	59 cm	74 cm	97 cm	58 cm
170 cm ~ 180 cm	60 kg ~ 75 kg	75 kg ~ 85 kg	4.5 (4L)	88 cm	59 cm	77 cm	100 cm	60 cm
175 cm ~ 185 cm	65 kg ~ 80 kg	80 kg ~ 90 kg	5	93 cm	63 cm	79 cm	104 cm	62 cm
180 cm ~ 190 cm	70 kg ~ 85 kg	85 kg ~ 95 kg	5.5 (5L)	93 cm	63 cm	82 cm	107 cm	63 cm
185 cm ~ 195 cm	75 kg ~ 90 kg	90 kg ~ 100 kg	6	99 cm	67 cm	85 cm	111 cm	64 cm

Expected shrinkage after cold wash: 3% vertical / 2% horizontal
Max. weight = maximum recommended weight regarding the overall cut of this model (i.e. 145 cm > 45 kg / 155 cm > 55kg). Over this recommendation, it will reasonably not fit.
The weight ranges indicated directly on the product option selector are the recommended/ideal weight.

Cotton/Polyester Light-Weight Aikidogi (KS300)

Recommended Size				Jacket			Pants
Your Height	Ideal Weight	Max. Weight	Dogi Size	A Length	B Width	C Sleeve	A' Length	B' Width
140 cm ~ 150 cm	30 kg ~ 40 kg	See upper size	2Y	75 cm	58 cm	66 cm	85 cm	46 cm
140 cm ~ 150 cm	40 kg ~ 50 kg	55 kg ~ 65 kg	2	75 cm	60 cm	66 cm	88 cm	48 cm
150 cm ~ 160 cm	40 kg ~ 50 kg	See upper size	3Y	80 cm	60 cm	70 cm	88 cm	48 cm
150 cm ~ 160 cm	50 kg ~ 60 kg	65 kg ~ 75 kg	3	80 cm	63 cm	70 cm	91 cm	50 cm
160 cm ~ 170 cm	50 kg ~ 60 kg	See upper size	4Y	85 cm	63 cm	75 cm	94 cm	52 cm
160 cm ~ 170 cm	60 kg ~ 70 kg	75 kg ~ 85 kg	4	85 cm	67 cm	75 cm	97 cm	54 cm
170 cm ~ 180 cm	60 kg ~ 70 kg	See upper size	5Y	90 cm	67 cm	80 cm	100 cm	56 cm
170 cm ~ 180 cm	70 kg ~ 80 kg	85 kg ~ 95 kg	5	90 cm	70 cm	80 cm	103 cm	58 cm
180 cm ~ 190 cm	70 kg ~ 80 kg	See upper size	6Y	95 cm	70 cm	83 cm	106 cm	60 cm
180 cm ~ 190 cm	80 kg ~ 90 kg	95 kg ~ 105 kg	6	95 cm	73 cm	83 cm	109 cm	62 cm

Expected shrinkage after cold wash: about 3%.
Max. weight = maximum recommended weight regarding the overall cut of this model (i.e. 145 cm > 45 kg / 155 cm > 60 kg). Over this recommendation, it will reasonably not fit.
The weight ranges indicated directly on the product option selector are the recommended/ideal weight.
The pants size tag for Y sizes will indicated a half size small (3Y jacket > 2.5 pants).

Single Layer Aikidogi AS200

Recommended Size				Jacket			Pants
Your Height	Ideal Weight	Max. Weight	Dogi Size	A Length	B Width	C Sleeve	A' Length	B' Width
145 cm ~ 155 cm	45 kg ~ 55 kg	60 kg ~ 70 kg	2	75 cm	58 cm	67 cm	83 cm	51 cm
150 cm ~ 160 cm	50 kg ~ 60 kg	65 kg ~ 75 kg	2.5 (2L)	75 cm	58 cm	69 cm	86 cm	53 cm
155 cm ~ 165 cm	55 kg ~ 65 kg	70 kg ~ 80 kg	3	81 cm	62 cm	73 cm	90 cm	55 cm
160 cm ~ 170 cm	60 kg ~ 70 kg	75 kg ~ 85 kg	3.5 (3L)	81 cm	62 cm	76 cm	93 cm	57 cm
165 cm ~ 175 cm	65 kg ~ 75 kg	80 kg ~ 90 kg	4	87 cm	66 cm	79 cm	96 cm	59 cm
170 cm ~ 180 cm	70 kg ~ 80 kg	85 kg ~ 95 kg	4.5 (4L)	87 cm	66 cm	82 cm	99 cm	61 cm
175 cm ~ 185 cm	75 kg ~ 85 kg	90 kg ~ 100 kg	5	93 cm	69 cm	84 cm	103 cm	63 cm
180 cm ~ 190 cm	80 kg ~ 90 kg	95 kg ~ 105 kg	5.5 (5L)	93 cm	69 cm	87 cm	106 cm	65 cm
185 cm ~ 195 cm	85 kg ~ 95 kg	100 kg ~ 110 kg	6	98 cm	73 cm	90 cm	109 cm	67 cm

Expected shrinkage after cold wash: 3% vertical / 2% horizontal
Max. weight = maximum recommended weight regarding the overall cut of this model (i.e. 145 cm > 60 kg / 155 cm > 70 kg). Over this recommendation, it will not be wearable.
The weight ranges indicated directly on the product option selector are the recommended/ideal weight.

Single Layer Aikidogi AS250 (Slim)

Recommended Size				Jacket			Pants
Your Height	Ideal Weight	Max. Weight	Dogi Size	A Length	B Width	C Sleeve	A' Length	B' Width
150 cm ~ 155 cm	35 kg ~ 45 kg	45 kg ~ 55 kg	2	77 cm	56 cm	63 cm	83 cm	50 cm
155 cm ~ 160 cm	45 kg ~ 55 kg	55 kg ~ 65 kg	2.5 (2L)	77 cm	56 cm	64 cm	87 cm	52 cm
160 cm ~ 165 cm	50 kg ~ 60 kg	60 kg ~ 70 kg	3	83 cm	60 cm	68 cm	90 cm	54 cm
165 cm ~ 170 cm	55 kg ~ 65 kg	65 kg ~ 75 kg	3.5 (3L)	83 cm	60 cm	71 cm	94 cm	56 cm
170 cm ~ 175 cm	60 kg ~ 70 kg	70 kg ~ 80 kg	4	87 cm	64 cm	74 cm	97 cm	58 cm
175 cm ~ 180 cm	65 kg ~ 75 kg	75 kg ~ 85 kg	4.5 (4L)	87 cm	64 cm	77 cm	100 cm	60 cm
180 cm ~ 185 cm	70 kg ~ 80 kg	80 kg ~ 90 kg	5	93 cm	66 cm	79 cm	104 cm	62 cm
185 cm ~ 190 cm	75 kg ~ 85 kg	85 kg ~ 95 kg	5.5 (5L)	93 cm	66 cm	82 cm	107 cm	64 cm
190 cm ~ 195 cm	80 kg ~ 90 kg	90 kg ~ 100 kg	6	100 cm	70 cm	85 cm	111 cm	68 cm

Expected shrinkage after cold wash: 3% vertical / 2% horizontal
Max. weight = maximum recommended weight regarding the overall cut of this model (i,e. 160 cm > 75 kg / 170 cm > 85 kg). Over this recommendation, it will not be wearable.
The weight ranges indicated directly on the product option selector are the recommended/ideal weight.

Double Layer Aikidogi WA600

Recommended size			Jacket			Pants
Your height	Ideal Weight	Dogi Size	A Length	B Width	C Sleeve	A' Length	B' Width
150 cm ~ 155 cm	45 kg ~ 55 kg	2A	74 cm	54 cm	71 cm	83 cm	48 cm
150 cm ~ 155 cm	50 kg ~ 60 kg	2	74 cm	56 cm	71 cm	83 cm	50 cm
155 cm ~ 160 cm	60 kg ~ 65 kg	2B	74 cm	58 cm	71 cm	83 cm	54 cm
155 cm ~ 160 cm	55 kg ~ 65 kg	2.5 (2L)	77 cm	58 cm	74 cm	87 cm	52 cm
160 cm ~ 165 cm	50 kg ~ 60 kg	3A	80 cm	58 cm	76 cm	90 cm	52 cm
160 cm ~ 165 cm	60 kg ~ 75 kg	3	80 cm	60 cm	76 cm	90 cm	54 cm
160 cm ~ 165 cm	70 kg ~ 80 kg	3B	80 cm	62 cm	76 cm	90 cm	58 cm
165 cm ~ 170 cm	60 kg ~ 70 kg	3.5 (3L)	83 cm	62 cm	79 cm	94 cm	56 cm
170 cm ~ 175 cm	60 kg ~ 65 kg	4A	86 cm	62 cm	81 cm	97 cm	56 cm
170 cm ~ 175 cm	65 kg ~ 80 kg	4	86 cm	64 cm	81 cm	97 cm	58 cm
170 cm ~ 175 cm	80 kg ~ 85 kg	4B	86 cm	66 cm	81 cm	97 cm	62 cm
175 cm ~ 180 cm	65 kg ~ 75 kg	4.5 (4L)	89 cm	66 cm	84 cm	100 cm	60 cm
180 cm ~ 185 cm	65 kg ~ 75 kg	5A	92 cm	66 cm	86 cm	104 cm	60 cm
180 cm ~ 185 cm	75 kg ~ 85 kg	5	92 cm	68 cm	86 cm	104 cm	62 cm
180 cm ~ 185 cm	85 kg ~ 100 kg	5B	92 cm	70 cm	86 cm	104 cm	66 cm
185 cm ~ 190 cm	75 kg ~ 85 kg	5.5 (5L)	95 cm	70 cm	89 cm	107 cm	64 cm
190 cm ~ 200 cm	75 kg ~ 85 kg	6A	98 cm	70 cm	91 cm	111 cm	64 cm
190 cm ~ 200 cm	85 kg ~ 100 kg	6	98 cm	72 cm	91 cm	111 cm	66 cm
190 cm ~ 200 cm	95 kg ~ 110 kg	6B	98 cm	74 cm	91 cm	111 cm	70 cm
195 cm ~ 205 cm	85 kg ~ 100 kg	6L	101 cm	74 cm	94 cm	114 cm	68 cm

Expected shrinkage after cold wash for WA600 model: ~5%
T For those models, size A and B are available as "standard." Size AA, AAA, BB or BBB can also be custom made for 1.4~1.8 times the price of the closest size. Please contact us for quotation.

Schema Aikidogi

All measurements are taken with the Dogi lying flat.

A: Jacket length - From the base of the Dogi to the tip of the sleeve.
B: Jacket width - From the lateral opening to the lateral opening.
C: Sleeves length - From the center of the collar to the tip of the sleeve.
A': Pants length - On the back (or side) of the pants.
B': Pants width - At the level of the waist, pants unfolded.

Jacket
Pants

How to Choose Your Aikidogi:

Until a few decades ago, Aikido Dogi and Hakama did not exist, and practitioners used (and most still use) Judogi and, sometimes, white Kendogi. Gradually, as Aikido gained prominence, various historical martial arts equipment manufacturers started producing for Aikido, and a few specific products appeared. While Aikido Hakama have emerged rapidly due to the importance of a flexible Koshiita (back plate) to avoid injuries, the Aikidogi are still difficult to find outside of Japan.

Aikido Dogi are more flexible, have shorter sleeves, and longer jackets than Judo Dogi. Most current Aikidogi are designed based on Judo Dogi, including Seido models (AS200 and WA600). These four models are part of "Traditional Aikido Cut" fabricated by other Japanese manufacturers before us.

Besides these four models, we propose 3 other models under the name "New Aikido Cut" (KS200 and AS250) which illustrate subtle changes on the cut, featuring shortened sleeves that reach the middle of the forearm, a significantly longer jacket, and a specific fabric and cuts to make the Aikidogi more flexible and easier to grab (an important element that differs from Judo; in Aikido, we do not seek to prevent the grab of the partner!).

How to Choose Your Size :

Your Height and Weight

The first thing is to confirm your size. This will allow you to select the appropriate Dogi size. Our recommendations consider future Dogi shrinkage.
Sometimes, especially when your weight is over your ideal weight, it is better to select a half size larger. Remove the hundreds digit of your size, and if your weight exceeds this figure, we recommend a larger size. (E.g., your height is 170 cm and your weight 75 kg we advise to opt for half a size larger.)
We indicate the three most important measurements for all models to limit mistakes in the size choice. Measure your current Dogi for comparison (do not forget that a new Dogi will shrink about 2 to 3 cm after washing).
We recommend paying extra attention to the maximum recommended size. A few extra kg/pound (2 ~ 3) is not an issue, and the final fit will also depend on your body shape (muscle ratio), but if you feel you might be above the recommendation, please contact us before placing your order as there is a great chance it will not fit.

A & B Sizes - Thin & Wide Sizes

'A' corresponds to a fitted cut, 'B' corresponds to a large cut.
Our workshop can also produce AA, AAA, BB or BBB sizes on request for particularly strong/thin practitioners. It is then fully custom, the production time is of about 5 weeks and there will be an extra charge of 35% of the price of the closest size.
WA300 and AS200 models can be manufactured as size A/B size system at the same conditions.

Examples:

Size 3A features the length of a size 3, but the width of a size 2. A size is the recommended size for practitioners who are very thin.
Size 3B features the length of a size 3, but the width of a size 4. B size is recommended to practitioners 10~15 kg above their ideal weight. (E.g., your height is 180 cm and your weight is above 90 kg.)
Size 3AA would feature the length of the size 3, but the width of the size 1 and would be recommended if you are about 10~15 kg under your ideal weight. (E.g., your height is 180 cm and your weight is less than 70 kg).

Size Chart: Height/Weight Ratio (with A & B Sizes)

Your Size	150 cm ~ 155 cm	155 cm ~ 160 cm	160 cm ~ 165 cm	165 cm ~ 170 cm	170 cm ~ 175 cm	175 cm ~ 180 cm	180 cm ~ 185 cm	185 cm ~ 190 cm	190 cm ~ 200 cm
Your Weight	150 cm ~ 155 cm	155 cm ~ 160 cm	160 cm ~ 165 cm	165 cm ~ 170 cm	170 cm ~ 175 cm	175 cm ~ 180 cm	180 cm ~ 185 cm	185 cm ~ 190 cm	190 cm ~ 200 cm
50 kg ~	2	2.5	3A
55 kg ~ 60 kg	2	2.5	3	3
60 kg ~ 65 kg	2B	2.5/3	3	3.5	4A	4A
65 kg ~ 70 kg		3	3	3.5	4	4	5A
70 kg ~ 75 kg			3	3B/3.5	4	4	5A	5A
75 kg ~ 80 kg			3B	4	4	4.5	5	5	6A
80 kg ~ 85 kg					4B/4.5	4.5/5	5	5	6A
85 kg ~ 90 kg						5	5B/5.5	5.5	6
~ 100 kg							5B	5.5	6

This size table only applies to AS200, WA300 and WA600, Traditional Aikido cut models.
Half size can be labeled as ".5" or "L", depending on models (E.g.: 2.5=2L).

About the Different Types of Fabric

All Seido Dogi are made of 100% cotton, and all our Aikidogi are fully manufactured in Japan: fabric, cutting, and sewing.

Single Double

"Single Layer" and "Double Layer"

A "double layer" does not mean "two layers" of fabric assembled one on top of the other, but a doubled weaving corresponding approximately to double the thickness of the "Sashiko" (rice grain). The double thickness Dogi are significantly heavier than the single thickness models. They are strong and a little stiffer than the single layer models.

Sashiko Hishisashi

Hishisashi and Sashiko Weaving

Hishisashi weaving is a traditional Japanese weaving made in the shape of a diamond to obtain a good strength for a fabric. It is used for weaving our KS200 model (and the KS100 Kendogi and the Waraku Iaidogi). Sashiko weaving is better known; it is the rice grain weaving that can be found on all Judo Dogi. Very strong, the Sashiko weaving can be made in single or double layer, and 1bu (3mm) and 2bu (6mm) grains. The finer the grain, the stronger the Dogi (all Seido models are woven 3mm). Most Sashiko Dogi are woven in relatively thick Hishisashi on the bottom part. In order to obtain an even lighter sashiko fabric, we have also designed our KS300 model with a cotton/polyester blend fabric, which makes it the lightest Sashiko Gi on the market.

Aikidogi Comparative Chart

	Weight	Resistance	Drying	Shape	Price
AS200	***	***	***	Traditional Aikido Cut Long Sleeves / Short Jacket / Wide Cut	**
AS250	***	***	***	New Aikido Cut (slim) Short Sleeves / Long Jacket / Straight Cut	**
WA600	*****	*****	*	Traditional Aikido Cut Long Sleeves / Short Jacket	****
KS200 (Aiki)	*	**	****	New Aikido Cut Short Sleeves / Long Jacket / Straight Cut	**
KS300 (Aiki)	*	***	****	New Aikido Cut Short Sleeves / Long Jacket / Straight Cut	**

Additional Services for Dogi

It is our goal to create a Dogi that perfectly suit your needs. Therefore, we offer five additional services that you can directly add when putting your Dogi into the cart. They are all made within 2 to 4 business days.

Chest/Hips Cord Option

With this option, you can order the famous "Munehimo", either at the level of the chest and/or the hips. The chest cord is usually (but not exclusively) ordered by women, whereas the hips cord is chosen by both sexes. Note that the hips cord is stitched on the inside of the jacket and is, therefore, invisible. Further, it is attached at a height above where you would usually tie your belt and Hakama, to prevent discomfort.

Magic Tape

Following the same principle as the chest or hips cord, this option is also available on both spots. Although this customization is not very traditional, after numerous requests from our customers we added this option to our site.

Sleeves Cutting Service

As the name suggests, with this option, you can adjust the length of your sleeves. If, for example, you are interested in a particular model because of its cut, but the sleeves seem too long, this option is for you.

Pants Cutting Service

Similar to the Sleeves Cutting Service, but for the pants. Recommended to relatively heavy practitioners, who opt for a large size, but still want the pants to be short enough to be hidden under the Hakama.

Elastic Waist Band for Pants

A simple elastic waist band that is added to the traditional cotton cord. You can remove the cord if you like or even cut the elastic and keep the cord if you change your mind without damaging your pants.

Customer Reviews

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K

Kuek (Aikido Aikikai Ipoh Dojo, Malaysia)

Nice pants!
Comfortable to wear. It is light and hence suitable to bring it around, especially to seminar.

H

Henri K (Norway)

Highly recommended!
I like the lightness of this product. It does the job quite well and, underneath the hakama, it feels very comfortable!

P

Philippe (Canet en Roussillon)

Attention aux tailles
Produit comme indiqué. Attention toutefois à la sélection de la taille. En France les tailles sont souvent indiquées en 42. 43, etc. Ici les tailles sont indiquées par 4, 5, et cm, etc. Bien se renseigner sur sa taille avant de commander cela évitera une réexpédition.

T

Tony (France)

Great
Great product.

A

Alain C. (Jauche (Belgique))

Rien à redire.
Rien à redire, parfaitement conforme à mes attentes

C

Cyril L. (Ingersheim (France))

Qualité des produits !
Merci pour les renseignements et la qualité des produits. A bientôt pour de nouvelles commandes.

A

Arnaud L. (Grivegnée (Belgique))

Tout simplement magnifique.
tout simplement magnifique très belle broderie et orthographe juste

For compliance reasons, reviews placed in French and Japanese and imported here on February 2024 do not display as 'verified'.
When importing Japanese reviews, the impossibility to automatically determine the presence of a familly name forced us to label all Japanese reviews as 'anonymous' (Familly names in roman characters have been filtered out).

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Product & Services

Light-Weight Aikido Pants (KS100): ¥5,400

Accessories

Made to Order | Production: ~ | No Exchanges/Refunds
Order today and we will ship before

In stock: ships within 2 working days
Order today and we will ship before

Availability : around (Shipping date estimation)

As we are not able to guarantee the next availability for this product, orders are temporarily suspended. We invite you to come back check the availability around

This product is out of stock and discontinued. It cannot be ordered any longer.

Sold out

Information on product availability

Product Options

Lightweight Aikidogi Pants - Single Layer (KS100)

Light-Weight "Aiki" Aikidogi (KS200)

Cotton/Polyester Light-Weight Aikidogi (KS300)

Single Layer Aikidogi AS200

Single Layer Aikidogi AS250 (Slim)

Double Layer Aikidogi WA600

Size Chart: Height/Weight Ratio (with A & B Sizes)

Aikidogi Comparative Chart

Customer Reviews

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