Kaiwaka Men's Size Guide
| Size | Chest (Approx) | Waist (Approx) |
| Small | 37.5" | 32" |
| Medium | 39.5" | 34" |
| Large | 41.5" | 36" |
| XL | 43.5" | 38" |
| XXL | 45.5" | 41" |
| 3XL | 47.5" | 43" |
| 4XL | 49.5" | 46" |
| 5XL | 51.5" | 49" |
| Size | Chest (Approx) | Waist (Approx) |
| Small | 37.5" | 32" |
| Medium | 39.5" | 34" |
| Large | 41.5" | 36" |
| XL | 43.5" | 38" |
| XXL | 45.5" | 41" |
| 3XL | 47.5" | 43" |
| 4XL | 49.5" | 46" |
| 5XL | 51.5" | 49" |