Fit & Design: Slim fit baselayer leggings Regular rise - Sits below the natural waist Ultra-comfortable base layer pants that make the perfect foundation for cold-weather layering Features icebreaker's 100% merino wool jersey fabric that is breathable, insulating, and odor-resistant Gusseted construction allows for unrestricted freedom of movement The brushed elastic waistband and flatlock seams throughout eliminate chafing Technology: Soft merino fibers regulate body temperature in all weather conditions and resists odors Additional Details: icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics Merino is an annually renewable fiber that naturally resists odors, keeps you cool when it's hot and warm when it's not, and lets your skin breathe for comfort all day, every day