Arc'teryx designed the men's Beta SL Pant as a light, waterproof, pull-over shell for use on alpine hikes where storms overtake you in a flash of thunder.
It's made from GORE-TEX fabric with Paclite technology: waterproof, windproof, breathable, and compressible. The lower legs, hems, and insteps are reinforced with rugged N150p-X GORE-TEX fabric. Its minimalist design improves its packability and reduces weight, while the articulated knees, gusseted crotch and roomy fit provide awesome mobility for tricky alpine hikes. This Beta SL pant comes with WaterTight 1/4 length lower leg zippers, which are designed to accommodate various types of hiking boots. There is an elasticized waistband with a drawcord. The hem cuffs tighten with drawcords, and boot hooks help to secure them over your hiking boots.