This kit features the base model of our Foundation Rash Guard and AirFlex shorts (with a 4" inseam rather than the usual 6" inseam). Please use the size charts below to determine your correct size.
This kit features the base model of our Foundation Rash Guard and AirFlex shorts (with a 4" inseam rather than the usual 6" inseam). Please use the size charts below to determine your correct size.
All of our rash guards follow the same size chart. 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 200lbs |
| 2XL | 185lbs to 230lbs |
| 3XL | 220lbs to 250lbs |
| 4XL | 250lbs and up |
Please find your waist size below to select the best fit.
| Size | Waist |
| XS | 28" |
| S | 30" |
| M | 32" |
| L | 34" |
| XL | 36" |
| XXL | 38" |
| XXXL | 40" |
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.
$89.99 $99.98 Size Guide
This kit features the base model of our Foundation Rash Guard and AirFlex shorts (with a 4" inseam rather than the usual 6" inseam). Please use the size charts below to determine your correct size.
All of our rash guards follow the same size chart. 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 200lbs |
| 2XL | 185lbs to 230lbs |
| 3XL | 220lbs to 250lbs |
| 4XL | 250lbs and up |
Please find your waist size below to select the best fit.
| Size | Waist |
| XS | 28" |
| S | 30" |
| M | 32" |
| L | 34" |
| XL | 36" |
| XXL | 38" |
| XXXL | 40" |
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.
Inspired by the topographic map of the La Jolla coastline, this kit pairs our flagship rash guard with the shortest shorts we’ve ever released: a clean 4" inseam built for movement and speed.
Also available in a sleek Green colorway.
Ships Today from San Diego • Free Returns
