Under Armour Cold Gear Long Sleev Boys Black mock neck fleece lined Size Youth Large baselayer that keeps you warm and dry without being bulky or riding up Keeps you warm Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior Stretch-mesh back & underarm panels provide strategic ventilation 4-way stretch material moves better in every direction Material wicks sweat & dries really fast Ergonomic design keeps seams off of high abrasion areas Mock neck construction for added coverage & warmth Visit my closet for over 650 items - kids, men's and women's clothing accessories shoes home goods and more!