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21 reviews

Foundation Rash Guard

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
Sleeve Length

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.

We proudly back all of our products by the Gold BJJ Guarantee.

If for any reason you're not thrilled with your purchase, we'll replace or refund your order no-questions-asked.

Customer Reviews
4.9 Based on 21 Reviews
5 ★
90% 
19
4 ★
5% 
1
3 ★
5% 
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2 ★
0% 
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Filter Reviews:
    SC
    09/02/2022
    Scott C.
    United States

    Rash guard

    These rash guards are very comfortable and light weight

    DB
    07/28/2022
    Duncan B.
    United States United States

    Foundational Indeed!

    My first rashguard and a real gamechanger. If you have debated getting one, I recommend it. Motions are simply easier in one and the sweat absorption is great. I am 5 10 and 160 lbs and a Large is about perfect, leaning towards tighter.

    AV
    07/23/2022
    Albert V.
    United States United States

    Love it.

    High quality material and good tight fit

    NB
    07/12/2022
    Noah B.
    United States United States

    My favorite rash guard! Simple, yet refined design.

    Shipping was quick, and fit was perfect.

    AB
    05/24/2022
    Allan B.
    United States United States

    Great product. Awesome customer service.

    Solid, well built rash guard. Very good value for the price. Customer service is quick and super helpful.