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The Haglöfs Alper Proof Jacket handles resort days and backcountry missions with equal confidence, built from soft, breathable 3-layer PROOF Pro shell fabric that delivers 20k/20k protection against whatever weather rolls in. An adjustable helmet-compatible hood, articulated sleeves, and zippered underarm vents keep you comfortable from first chair through afternoon storms, while smart pocket placement puts your essentials within easy reach so you can focus on lapping your favorite runs.
3-layer PROOF™ Pro Shell with PFAS-free DWR – 75D 100% Recycled Polyester
bluesign® Approved Fabric
3-layer PROOF™ Membrane – 20k Waterproofing / 20k Breathability
Knitted Brushed Tricot – 100% Recycled Polyester
Articulated Sleeves
Two Zippered Hand Pockets
One Chest Pocket
Ski Pass Pocket on Sleeve
Zippered Underarm Ventilation
Adjustable Helmet-Compatible Hood
Velcro Adjustable Cuffs
Integrated, Stretchy Snow Skirt With Rubber Grip
2-Way Water Resistant AquaGuard® Zipper
Cord-Ardjustable Bottom Hem
| Breathability Rating (g) | Breathability Level | Activity Level |
| 0 - 10000 | Low to moderate breathability | Resort skiing & snowboarding / walking / low intensity activity |
| 11000 - 15000 | Moderate breathability | Resort skiing & snowboarding / hiking / moderate intensity activity |
| 16000 - 20000 | High breathability | Backcountry skiing & snowboarding / backpacking / moderate to high intensity activity |
| 21000+ | Very high breathability | Backcountry skiing & snowboarding / biking / high intensity activity |
| Warmth | Description | Ideal Conditions |
| Uninsulated (Shell) | Outer shell with no insulation. Pair with base layers and mid layers to fine tune the level of warmth required. | Variable |
| Warm | Light insulation. Use additional base or mid layers to add warmth when temperatures drop. | 20° - 35° |
| Warmer | Moderate insulation. Suitable for cold conditions. | 10° - 25° |
| Warmest | Heavy insulation. Designed to keep you comfortable and protected on the coldest days. | Below 15° |