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119 reviews

Foundation Rash Guard

Size Guide
Rash Guard Size Chart

Gold BJJ Rash Guard Size Chart

All of our rash guards follow the same size chart. Please find your waist size below to select the best fit. Our rash guards are designed to fit tight. If you're not sure about the best size or would like a looser fit, please size up.

Size Weight

XS

95lbs to 115lbs

S

105lbs to 130lbs

M

125lbs to 165lbs

L

155lbs to 175lbs

XL

170lbs to 195lbs

XXL

185lbs to 230lbs

XXXL

230lbs and up

Not sure if you're choosing the right size? We get it, Jiu Jitsu gear sizing can be tricky. That's why we offer totally free pre-paid returns.

Rash Guard Size Chart

Gold BJJ Rash Guard Size Chart

All of our rash guards follow the same size chart. Please find your waist size below to select the best fit. Our rash guards are designed to fit tight. If you're not sure about the best size or would like a looser fit, please size up.

Size Weight

XS

95lbs to 115lbs

S

105lbs to 130lbs

M

125lbs to 165lbs

L

155lbs to 175lbs

XL

170lbs to 195lbs

XXL

185lbs to 230lbs

XXXL

230lbs and up

Not sure if you're choosing the right size? We get it, Jiu Jitsu gear sizing can be tricky. That's why we offer totally free pre-paid returns.

Our flagship ranked Jiu Jitsu rash guard. Match with your belt rank, choose from short or long sleeve. Approved for IBJJF competition.

Size
Color
White
Blue
Purple
Brown
Black
Red
Sleeve Length

Ships Today from San Diego • Free Returns

Pair with our Fight Shorts and a base layer of Spats or Compression Shorts for the ultimate No-Gi uniform.

Unrivaled Comfort

We use buttery smooth flatlock stitching that doesn't itch and irritate.

Slightly extended cut means that your rash guard won't ride up while you roll.

Ventilated mesh armpit vents allow you to get through the toughest training rounds without overheating.

Built to Last

Sublimated graphics won't fade or peel as you roll or wash your rash guard.

Backed by the Gold BJJ Guarantee: if you don't love your Foundation Rashguard, let us know and we'll replace or refund your order.

IBJJF Legal

Competition rules require that you wear a rash guard with at least 10% of your belt rank.

Don't get DQ'd for wearing an illegal uniform. Our Foundation rash guard has been specifically designed to meet all Jiu Jitsu tournament requirements.

Customer Reviews
4.5 Based on 119 Reviews
5 ★
76% 
90
4 ★
11% 
13
3 ★
6% 
7
2 ★
4% 
5
1 ★
3% 
4
Customer Photos
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Filter Reviews:
    LS
    11/08/2024
    Larry S.
    United States

    Love Rash Guards and shorts

    Shipping took for ever after Gold sent it out. Postal service is terrible!!! Unable to track in real time.

    MM
    11/08/2024
    Marcelo M.
    United States

    Tighter than any rash guard I’ve ever bought

    They have a ton of spandex and are the tightest thing I own now, I always buy a size up but it seems like I had to buy 3 sizes up if I wanted this to fit

    CC
    11/03/2024
    Christopher C.
    United States United States

    Great

    Fits tight but very comfortable.

    MS
    10/28/2024
    Mack S.
    United States United States

    Great stuff

    Everything was super comfortable and fits tall people well. Just please note for the rash guards if you weigh 170 and are 6’-6’2” go with the extra large, I went with large and it fits but it’s a tight squeeze and if it shrinks at all I’ll need to upsize

    JG
    10/28/2024
    Jose G.
    United States United States

    Fits small

    Thought the sizes were universal. Ordered an XL to have a baggier shirt and it felt tighter than my other Large rash guards.