The Under Armour Girl's ColdGear Crew Long Sleeve Base Layer keeps your little one warm and dry without being bulky or riding up. It is made from a dual-layer fabric with an ultra-warm, brushed interior and a smooth, fast-drying exterior. The four-way stretch material allows you move better in every direction and anti-odor technology prevents the growth of odor-causing microbes. Stay focused all season long with the Under Armour Girl's ColdGear Crew Long Sleeve Base Layer.