| Big Sky Vests, Pullovers, Sweaters, and Jackets | |||||||
| XS | S | M | L | XL | XXL | XXXL | |
| Chest | 36-38 | 39-41 | 42-45 | 46-49 | 50-53 | ||
| Neck | 14.5-15 | 15.5-16 | 16.5-17 | 17.5-18 | 18.5-19 | ||
| Sleeve | 32-33 | 34-35 | 35-36 | 36-37 | 37-38 | ||
| Big Sky Pants | |||||||
| XS | S | M | L | XL | XXL | XXXL | |
| Waist | 28-30 | 31-33 | 34-36 | 37-39 | 40-42 | ||
| Hip | 38-40 | 40-42 | 43-45 | 46-48 | 50-52 | ||
| Inseam | 29.5 | 31 | 32.5 | 33 | 33.5 | ||
Note: Big Sky's Vests, Pullovers, and Sweaters are sized to fit as a mid layer over base layers, but UNDER a Jacket. Big Sky's Jackets are sized to fit over mid layers, such as Vests, Pullovers, and Sweaters. Big Sky's Jacket and Pant shells are sized to fit over the same size insulated Jackets and Pants.