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

Part of the Arc'teryx PRO tactical apparel range, the Alpha Pant in MultiCam® is a durable GORE-TEX® hardshell designed for demanding operations in extreme climates, from urban environments to polar conditions. Developed through nearly two decades of athletic and tactical use, it combines articulated construction with rugged materials to support mobility and durability during professional climbing and field operations. Its lightweight, packable design, reinforced insteps and equipment-compatible features provide reliable outer-layer performance in challenging environments.

Why You Should Get It

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

• Easy Over-Boot Access – Full-length weatherproof side zippers allow quick donning, doffing and ventilation without removing boots.

• Reinforced Terrain Protection – Durable instep reinforcement helps resist abrasion from skis, snowshoes and crampons.

• Integrated Knee Protection – Internal knee cap sleeves accommodate removable soft knee pads or compatible PRO knee caps for demanding activities.

• Reduced NIR Signature – GORE-TEX® fabric incorporates NIR Signature Reduction for tactical applications.

Key Features

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

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

• Glove-Friendly Thigh Pockets – Designed for one-handed operation and positioned for convenient access while seated.

• Reinforced Instep Protection – Helps prevent abrasion from skis, snowshoes and crampons.

• Gaiter-Style Ankle Closures – Drawcord cuff closures and lace-grabbers provide gaiter functionality in deeper snow.

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

• Accessible Fly Zipper – Remains accessible 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

• GORE-TEX® 3L BD450 Ripstop with Microgrid backer and NIR Signature Reduction

• SCHOELLER® Keprotec® instep reinforcement

• Made with PFAS chemicals

Technical Specifications

• Weight / Volume: 510 g / 18 oz (size L); approximately 2 L packed

• Country of Origin: Canada

• MPN: X000005396