Details When the temperatures drop and the wind picks up, you need a little extra protection from the elements. The Smartwool Men's Merino Sport Fleece Wind Tight provides exactly what you need. A stretchy knit fabric and brushed merino next to skin means you won't sacrifice comfort and the windproof front panel with a DWR coating keeps the elements at bay. Material Main: 46% Polyester, 38% Merino Wool, 16% Elastane Front Leg/Knee Panels: 85% Nylon, 15% Spandex Facing/Pocket Bag: 54% Merino Wool, 46% Polyester Fit Slim Fit Inseam Size M: 29" (74 cm) Details Stretchy knit fabric puts soft, brushed Merino next to skin and durable synthetic material against the elements to balance comfort and protection Windproof front panel (1CFM Rating); DWR finish for protection from the elements Reflective elements for visibility in low light conditions; Flatlock seam construction designed to minimize chafing Interior waist drawcord for adjustable fit; 7" (17 cm) ankle zips Secure zip pocket at rear; Drop in pocket on side panel Weight 306 g (10.79 oz) Smartwool Merino Sport Fleece Wind Tight Men's