Men's Brand Sizes
Please refer to individual products for sizing differences
Nike Men's +
| Size |
Chest (in) |
Waist (in) |
| Small |
35‑37" |
29‑32" |
| Medium |
37‑41" |
32‑35" |
| Large |
41‑44" |
35‑38" |
| Extra Large |
44‑48" |
38‑43" |
ASICS Men's +
| Size |
Chest (in) |
Waist (in) |
| Small |
36‑39" |
30‑33" |
| Medium |
39‑41" |
33‑35" |
| Large |
41‑43" |
35‑37" |
| Extra Large |
43‑45" |
37‑39" |
Under Armour Men's +
| Size |
Chest (in) |
Waist (in) |
| Small |
34‑36" |
28‑29" |
| Medium |
38‑40" |
30‑32" |
| Large |
42‑44" |
34‑36" |
| Extra Large |
46‑48" |
38‑40" |
Flux Active Men's +
| Size |
Chest (in) |
Waist (in) |
| Small |
34‑38" |
28‑32" |
| Medium |
38‑42" |
32‑36" |
| Large |
41‑44" |
34‑38" |
| Extra Large |
44‑48" |
38‑41" |
Altryn Men's +
| Size |
Chest (in) |
Waist (in) |
| Small |
34‑38" |
28‑32" |
| Medium |
38‑42" |
32‑36" |
| Large |
41‑44" |
34‑38" |
| Extra Large |
44‑48" |
38‑41" |
