Our best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings With Fly are the perfect foundation for your cold-weather layering.Features 100% Merino - Soft merino fibers that regulates body temperature in all weather conditions and resists odors Contoured pouch with functioning fly Gusset for mobility and comfort Flatlock seams to prevent friction Specs Product weight: Medium = 199 g /7.01 oz Inseam Length: 78.1cm based on size L Fabric content: 100% Merino Wool Fabric weight: 200 Lightweight 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. Do not iron print, trims and accessories. Do not dry clean.