Because the cold shouldn't keep you from getting out there. The Men's Merino 250 Base Layer Hoodie uses 100% Merino wool to help provide breathability, body temperature regulation, and odor resistance for any winter adventure. Plus its close-fit hood, thumbholes, and flatlock seams keep it comfy, no matter how epic your day gets. 100% Merino Wool. Slim Fit. Interlock knit provides ultimate comfort. Flatlock seam construction designed to eliminate chafing. 11.25" (28.6 cm) center front zipper with semi-locking slider. Close-fit hood for ease of movement and under-helmet fit. Thumbholes at wrist. 316 g = 11.15 oz. Imported.