Here is some sizing information provided by Moose Racing:
| Alpha Size | Chest Size (inches) | Sleeve Length |
| S | 33-37 | 33-34 |
| M | 36-40 | 34-35 |
| L | 39-43 | 35-36 |
| XL | 42-46 | 36-37 |
| XXL | 45-49 | 37-38 |
| XXXL | 48-53 | 38-39 |
Moose Racing Qualifer Jacket
$99.95
- Shell fabric is wind and water resistant
- 2-in-1 design, jacket sleeves zip off to create vest (large back pocket to store sleeves when not in use)
- Retro-reflective graphic logos
- Multiple zippered pockets: 2 hand pockets, 1 large back pocket and 1 interior pocket
- Multiple vents for maximum temperature regulation; two front, two pit zip vents and two back vents Micro-fiber lined collar and double front zipper flap for warmth and comfort
- Adjustable cuff designed to keep warmth in and cold and wet out
- Designed to fit over protective gear
- Pre-bent ergonomic sleeve design creates comfortable no bind fit
- Double stitched seams
- High quality YKK® zippers