Features of the Arcteryx Men's Gamma Sleeveless Hoody Lightweight Softshell with good stretch, durability and weather resistance, excellent for general mountain use Fortius DW 1.0 is a lightweight, durable 4-way stretch double weave Adjustable low profile StormHood adds protection Two zippered hand pockets Low profile elasticated cuffs Adjustable hem cord for secure Fit Fabric Details 87% Nylon, 13% Elastane