Size Guide - Promark #4
| TIM HORTONS' SIZE (Unisex) | XXS | XS | S | M | L | XL | XXL |
| Men's Equivalent Alpha Size | XXS | XS | S | M | L | XL | XXL |
| Women's Equivalent Apha Size | XXS/XS | XS/S | S/M | M/L | L/XL | XL/XXL | XXXL |
| Women's Equivalent Numeric Size | 00/0 | 2/4 | 6/8/10 | 10/12/14 | 14/16 | 18/20 | 22 |
| CHEST CIRCUMFERENCE | 31-33" | 33-35" | 35"-38" | 38"-41" | 41"-44" | 44"-47" | 47"-50" |
| WAIST CIRCUMFERENCE | 24"-26" | 26"-29" | 29"-32" | 32"-35" | 35"-38" | 38"-42" | 42"-46" |