Boulder Gear 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 | 32"-34" | 36"-38" | 38"-40" | 42"-44" | 46"-48" | 50-52" | 54-56" | 58-60" |
| Sleeve Length | 30"-31" | 32"-33" | 33"-34" | 34"-35" | 35"-36" | 36"-37" | 37"-37 ½" | 37 ½" - 38 |
Men's Bottoms
| Size | XS | S | M | L | XL | XXL | XXXL | 4XL |
| Waist | 28"-30" | 30"-32" | 32-34" | 36-38" | 40-42" | 44-46" | 48-50" | 52-54" |
| Inseam | 31" | 31" | 32" | 32" | 32 ½" | 32 ½" | 32 ½" | 32 ½" |
Women's Tops
| Size | XS | S | M | L | XL | XXL |
| Numeric | 0-2 | 4-6 | 8-10 | 12-14 | 16-18 | 20-22 |
| Chest | 32½-33½" | 34-35" | 36-38" |
39-41" | 42-43" |
44-45" |
| Arm Length* | 33 ½" | 33 1/2-33 7/8" | 34 1/8-34 1/4" | 34 1/2-34 5/8" | 35" | 35 3/8" |
Women's Bottoms
| Size | XS | S | M | L | XL | XXL |
| Numeric | 0-2 | 4-6 | 8-10 | 12-14 | 16-18 | 20 |
| Waist | 24-25" | 26-27" | 28-30" | 31-33" |
34-35" | 36-37" |
| Hip | 34-35" |
36-37" |
38-40" | 41-43" | 44-45" | 46-47" |
| Inseam | 31" | 31" | 32" | 32" | 32" | 32" |
Youth Apparel
| Size | XS | S | M | L | XL |
| Age | 6 | 7-8 | 9-10 | 11-12 | 13-14 |
| Height | 47-48" | 49-53" | 54-58" | 59-63" | 64-67" |
| Chest | 25" | 26-28" | 29-31" | 32-34" | 34-36" |
| Waist | 22 1/2" | 23" | 24-25" | 26-28" | 29-30" |
| Inseam | 22 1/2" | 23" | 25" | 27 1/2" | 29 1/2" |
Kids Apparel
| Size | 2 | 3 | 4 | 5 | 6 | 7 |
| Age | 1-2 | 2-3 | 3-4 | 4-5 | 5-6 |