The Under Armour Men's Small ColdGear Base 4.0 Extreme Baselayer Leggings in Black is a high-performance piece of activewear compression apparel designed for chilly weather conditions. Made with Under Armour's signature ColdGear technology, these leggings provide warmth and comfort during outdoor activities. The compression fit in the leg area offers a snug and supportive feel, ideal for men looking for quality baselayer leggings for their active lifestyle.