Double Dry® technology keeps kids dry no matter how active.9-oz. heavyweight fleece feels comfortably soft and warm. (Comes in a plush cotton blend, brushed inside for extra softness.) Double Dry® technology wicks moisture to keep kids dry. Cozy 1x1 ribbing trims crewneck, cuffs, and hem.Sturdy set-in armholes allow flexible range of motion. Full athletic fit allows for easy layering.