Men's Underwear (Boxer‑Brief / Trunks)
| US Size |
Waist (in) |
Hip (in) |
| XS |
27–29 |
33–35 |
| S |
29–32 |
35–38 |
| M |
32–35 |
38–41 |
| L |
35–38 |
41–44 |
| XL |
38–42 |
44–48 |
| XXL |
42–46 |
48–52 |
| 3XL |
46–50 |
52–56 |
Athletic Lined Shorts & Swim Shorts
| US Size |
Waist (in) |
Hip (in) |
Inseam Options (in) |
| XS |
27–29 |
33–35 |
5 / 7 |
| S |
29–32 |
35–38 |
5 / 7 / 8 |
| M |
32–35 |
38–41 |
5 / 7 / 8 |
| L |
35–38 |
41–44 |
5 / 7 / 8 |
| XL |
38–42 |
44–48 |
5 / 7 |
| XXL |
42–46 |
48–52 |
5 / 7 |
Unlined Swim Trunks
| US Size |
Waist (in) |
Hip (in) |
Outseam (in) |
| XS |
27–29 |
33–35 |
17 |
| S |
29–32 |
35–38 |
18 |
| M |
32–35 |
38–41 |
19 |
| L |
35–38 |
41–44 |
20 |
| XL |
38–42 |
44–48 |
21 |
| XXL |
42–46 |
48–52 |
22 |
Compression Base Layers
| US Size |
Waist (in) |
Chest (in) |
| XS |
27–29 |
33–35 |
| S |
29–32 |
35–38 |
| M |
32–35 |
38–41 |
| L |
35–38 |
41–44 |
| XL |
38–42 |
44–48 |
| XXL |
42–46 |
48–52 |
* All measurements in inches. Measure bare waist at natural waistline.
* Our signature 2-in-1 lined shorts feature built-in supportive pouch liner. If between sizes, size‑up for relaxed fit.
* Compression styles are designed for snug athletic fit. Four-way stretch fabric will affect final fit.