Andrew Scott Boy's Base Layer 100% Cotton Long Thermal Underwear Set 100% Combed Cotton Flat Smooth Soft & Warm Natural Perfect Weight Underwear Layering Flexible Fit Leg Ankle Opening Bindings made from Spandex Wrist Openings designed with Felixble stay in place non binding Cotton Spandex Base Layer Thermal made from Natural Breathing Cotton Designed to keep Kids Super Warm Garment Underside is slightly soft brushed for the Cozy Feel