5.11 Apparel Size Chart
Men's Tops
| Size | XS | S | M | L | XL | XXL | XXXL | 4XL |
| Neck | 13-13½" | 14-14½" | 15-15½" | 16-16½" | 17-17½" |
18-18½" | 19-19½" | 20-20½" |
| Chest | 30-32" | 34-36" | 38-40" | 42-44" | 46-48" | 50-52" | 54-56" | 58-60" |
| Arm Length* | 32¼-32½" | 33-33½" | 33¾-34¼" |
34½-35" | 35¼-35¾" | 36-36½" | 36¾-37¼" | 37½-38" |
Short = 5'3 - 5'7 1/2", Regular = 5'8 - 6' 1/2", Tall = 6'1 - 6'3", Tall sizes have 2" added to body and sleeve length. *Arm length refers to your actual arm length, not the garment’s sleeve length.
Men's Bottoms
| Size | XS | S | M | L | XL | XXL | XXXL | 4XL |
| Waist | 24-26" | 28-30" | 32-34" | 36-38" | 40-42" | 44-46" | 48-50" | 52-54" |
Short = 5'3 - 5'7 1/2", Regular = 5'8 - 6' 1/2", Tall = 6'1 - 6'3".
Women's Tops
| Size | XS | S | M | L | XL | Extended |
| Numeric | 0-2 | 4-6 | 8-10 | 12-14 | 16-18 | 20 |
| Chest | 32½-33½" | 34½-35½" | 36½-37½" |
39-40½" | 42½-44½" |
46½" |
| Arm Length* | 29½-29¾" |
30¼-30½" | 31-31¼" | 31¾-32" | 32½-32¾" | 33" |
Regular = 5'5 - 5'7", Tall = 5'8 - 5'11", Tall sizes have 2" added to body length and 1 1/2" added to sleeve length. *Arm length refers to your actual arm length, not the garment’s sleeve length.
Women's Bottoms
| Size | XS | S | M | L | XL | Extended |
| Numeric | 0-2 | 4-6 | 8-10 | 12-14 | 16-18 | 20 |
| Waist | 25-26" | 27-28" | 29-30" | 31½-33" |
35-37" | 39" |
| Hip | 35½-36½" |
37½-38½" |
39½-40½" | 42-43½" | 45½-47½" | 49½" |
Regular = 5'5 - 5'7", Tall = 5'8 - 5'11".