Slim Fit 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance Set-in sleeves with shoulder panels designed to eliminate top shoulder seams Flatlock seam construction designed to minimize chafing Higher neck on hood provides extra neck coverage and warmth when worn down Knit in Vietnam: 100% Merino Wool Garment Weight: 318 g = 11.22 oz