Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, the 175 Everyday Leggings With Fly offer premium breathability, odor-resistance and next-to-skin comfort.Features 100% Merino - Soft merino fibers that regulates body temperature in all weather conditions and resists odors Rib fabric provides stretch and comfort Gusset for mobility and comfort Contoured pouch with functioning fly Specs Product weight: Medium = 140 g /4.93 oz Inseam Length: 77.5cm based on size L Fabric content: 100% Merino Wool Fabric weight: 175 Ultralight Care: Machine wash warm. Wash with like colors. Do not use softeners. Fasten all closures to wash and dry. Do not bleach. Do not tumble dry. Line dry in shade. Warm iron. Dry cleanable. Men's Merino 175 Everyday Thermal Leggings With Fly