Arc'teryx PRO Alpha Pant Men's (Gen 2.0)

Part of the Arc'teryx PRO Mission Collection, the Alpha Pant (Gen 2.0) is a highly breathable, windproof and waterproof all-season GORE-TEX® hardshell designed for demanding operational environments. Constructed with durable BD450 face fabric, it provides reliable protection against extreme weather while supporting mobility, ventilation and essential equipment access. Built for operators conducting no-fail tasks, it delivers the durability and functionality required of a full-time outer layer in challenging conditions.

Why You Should Get It

• Full-Time Outer Layer – Windproof, waterproof and breathable GORE-TEX® construction provides reliable protection in extreme weather conditions.

• Easy On Over Boots – Full-length weatherproof side zippers allow convenient donning, doffing and ventilation without removing boots.

• Built for Snow and Ice – Reinforced insteps and gaiter-style drawcord cuffs with lace-grabbers provide protection during snow and ice operations.

• Knee Protection Ready – Internal knee cap sleeves accommodate removable soft knee pads or separately purchased Arc'teryx PRO knee caps.

Key Features

• Lightweight, Packable Construction – Weighs approximately 510 g and packs down to roughly 2 L (size L) for convenient storage and transport.

• Full-Length Weatherproof Side Zippers – Allow easy entry and exit over boots while providing adjustable ventilation during active operations.

• Glove-Friendly Thigh Pockets – Strategically positioned for convenient one-handed access, including while seated.

• Reinforced Instep Protection – SCHOELLER® Keprotec® reinforcement helps prevent abrasion from skis, snowshoes and crampons.

• Gaiter-Style Ankle Closures – Adjustable drawcord cuffs and lace-grabbers provide secure coverage and functionality in deeper snow.

• Glove-Friendly Drawcords – One-handed adjustment with vertically routed cords minimizes interference with boots, snowshoes and skis.

• Accessible Fly Zipper – Designed for convenient access while wearing harnesses and load carriage equipment.

• Integrated Knee Pad Sleeves – Accommodate removable soft knee pads or compatible Arc'teryx PRO knee caps, sold separately.

• Layering-Compatible Fit – Allows additional layers in cold weather, with sizing up recommended for severe cold weather layering.

Materials & Construction

• Main Fabric: GORE-TEX® 3L BD450 Ripstop with Microgrid backer

• Instep Reinforcement: SCHOELLER® Keprotec®

• PFAS: Made with PFAS chemicals

Technical Specifications

• Weight / Volume: 510 g / 18 oz (size L)

• Packed Volume: Approximately 2 L (size L)

• Country of Origin: Canada

• MPN: X000005028