Smartwool Men's Classic All-Season Merino Base Layer Bottom Whatever the Weather The Classic All-Season Base Layer Bottoms are lightweight, comfortable pants built for all-around use. Made from soft Merino wool, it adjusts to heat and cold while keeping odors away. It's a reliable choice whether you're hiking, sleeping out, or need a baselayer for chilly rides. Features Lightweight Merino wool, naturally regulates temperature and resists odors All-season use, warm for cool and breathable for mild days Slim fit, for a reliable baselayer Flatlock seams, reduce chafing for added comfort Elastic waistband, ensures a secure fit Functional fly, for easy use MFG#: SW016958SPECIFICATIONSIntended Use Multi-Sport, Baselayer Fit Men's - Slim Material88% Merino Wool, 12% Nylon Care Instructions Machine wash warm gentle, tumble dry low, cool iron as needed, do not bleach or dry clean SIZINGSize Hip Waist Inseam S36"-38"29"-31"30"-31"M39"-41"32"-34"31"-32"L42"-44"35"-37"32"-33"XL45"-48"38"-40"33"-34"XXL49"-51"41"-44"34"-35" | Smartwool | Men's Classic All-Season Merino Base Layer Bottom | Size Medium In Black | Nylon