Arcteryx Beta SL Jacket Men's Size:Large Perforated underarm panels and vented

Perforated underarm panels and vented back for extreme breathability

5 mm neoprene core layer insulates and protects without adding too much bulk

A generous toe box and quick-drying frame are paired with a monoblock EVA midsole packed with Sensor³ technology for optimized cushion

Optional stretch leg loops prevent drafts and keep the vest secure in blustery conditions

roll the roll-top closure down

Arcteryx Beta SL Jacket Men's Size:Large Perforated underarm panels and ventedThe Beta SL Jacket the lightest Beta is built for mountain realities. Highly versatile, its carefully designed to deliver complete waterproof, windproof, breathable protection without sacrificing lightweight packability. Its innovative GORE TEX ePE membrane is light, strong, and PFC free. C KNIT backer technology improves comfort and breathability. The helmet compatible StormHood protects without compromising vision, pit zippers ventilate, and a RECCO