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61 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
4.7 Based on 61 Reviews
5 ★
79% 
48
4 ★
13% 
8
3 ★
7% 
4
2 ★
1% 
1
1 ★
0% 
0
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Filter Reviews:
    JS
    02/15/2024
    Juan S.
    United States

    True to size

    I purchased the black foundation rashguard. Fits like a glove and doesn't get too hot. I got the long sleeve and it definitely is worth the purchase.

    DD
    02/03/2024
    David D.
    United States United States

    Super comfy and snug

    Gold BJJ kills it with quick shipping. This rash guard is comfortable and lays flat. It stays in place and doesn’t ride up. A great buy

    SS
    02/01/2024
    Scott S.
    United States United States

    Tight fit, but great product

    Bought a couple with the Black Out special. Ordered XL (which is what I use with another brand), which ended up being tighter than expected, but I'm using it under my gi, so not a big deal. Will order XXL next time. But everything else is great.

    BB
    01/17/2024
    Brian B.
    United States United States

    Amazing! Order a size up!

    I’m 5’7” and hover between 180-185. I wear a large in most t-shirts. I ordered XL after reading the reviews and they ended up being too small also. I got in touch with their phenomenal customer service and they helped me with my exchange. The quality is a 10/10!

    KS
    01/14/2024
    Karimibn S.
    United States United States

    No Gi rash guard and shorts

    Fits perfect, fast shipping a quality product