The Picture Organic Clothing Women's Pila High Top is a functional base layer made with stretchy recycled polyester fabric, brushed on both sides for an extra-soft feel. Dry Feel antimicrobial treatment and Dry Now wicking technology will keep you warm and dry during any activity. The high-neck, raglan sleeves, cuffs with thumbholes, and chafe-free flatlock seams make this top an extremely comfortable base layer. The Picture Organic Clothing Women's Pila High Top guarantee warmth and total freedom of movement.