Momentum Series Size Help
Momentum Series Size Help
Find your fit.
Choose your product, then use the fit guidance and size chart below.
Feels familiar. Wears better.
2nd Punch Briefs use a modern compression fit.
Support that stays put.
Enough hold to reduce friction, support key pressure zones, and stay in place without shifting, sagging, or riding up.
How to choose your size
Your Usual Size
Choose your usual size for supportive performance.
Go Up One Size
Choose one size larger for a little more room and a looser fit.
Start here
Find your waist measurement, then choose between the gentler performance fit or the looser option.
| Your Waist Size | For a Gentle Fit | For a Looser Fit |
|---|---|---|
| 27–29 in | XS | S |
| 29–32 in | S | M |
| 32–35 in | M | L |
| 35–38 in | L | XL |
| 38–42 in | XL | 2XL |
| 42–46 in | 2XL | — |
More help
| Fit Type | What to Expect |
|---|---|
| True Size | Supportive performance fit. Holds steady through the day and is designed to reduce friction without sagging or riding up. |
| Size Down | Not recommended. A closer fit with more hold across the waist and thighs. |
| Size Up | A looser fit with more room through the waist and thighs. |
Closer's Undershirt Size & Fit
The Closer's Undershirt is cut to help stay flat, stay hidden, and stay in place.
Clean under a dress shirt.
A trimmer fit helps reduce bunching and keeps the layer sitting closer to the body beneath tailored clothing.
Find your size
Use your chest measurement as the primary guide. Dress shirt size is included as a quick reference.
| Go With | Your Chest | Typical Dress Shirt Size |
|---|---|---|
| XS | 32–35 in | 13–13.5 |
| S | 35–37 in | 14–14.5 |
| M | 37–40 in | 15–15.5 |
| L | 40–43 in | 16–16.5 |
| XL | 43–46 in | 17–17.5 |
| XXL | 46–49 in | 18–18.5 |
Between sizes? Choose the smaller option. A trimmer fit helps reduce bunching under a dress shirt and keeps lines clean.
