Size Guide
| BRAND | Nike Mens | Nike Mens |
| Size | Chest | Waist |
| Small |
34-37" |
28-31" |
| Medium | 37-40" | 31-35" |
| Large | 40-44" | 35-38" |
| Extra Large | 44-48" | 38-42" |
| Extra Extra Large | 48-52" | 42-47" |
| BRAND | Under Armour Mens | Under Armour Mens |
| Size | Chest | Waist |
| Small | 34-36" | 28-29" |
| Medium | 38-40" | 30-32" |
| Large | 42-44" | 34-36" |
| Extra Large | 46-48" | 38-40" |
| Extra Extra Large | 50-51" | 42-44" |
| BRAND | Montirex Mens | Montirex Mens |
| Size | Chest | Waist |
| Small | 36-38" | 30-32" |
| Medium | 38-40" | 32-34" |
| Large | 40-42" | 34-36" |
| Extra Large | 44-46" | 36-38" |
| Extra Extra Large | 46-48" | 38-40" |
| BRAND | Montirex Womens | Montirex Womens | Montirex Womens |
| Size | Bust | Waist | Hip |
| XXS (6) | 29-31" | 22-24" | 32-34" |
| XS (8) | 31-33" | 24-26" | 34-36" |
| S (10) | 33-35" | 26-28" | 36-38 |
| M (12) | 35-37" | 28-30" | 38-40" |
| L (14) | 37-39" | 30-32" | 40-42" |
| XL (16) | 39-41" | 32-34" | 42-44" |
| XXL (18) | 41-43" | 34-36" | 44-46" |