DRSKIN Kids' Boys Long Sleeve Athletic Base Layer Compression Underwear Shirt & Tights Great for skiing, snowboarding, training, competing, and all weather sports and activities Designed for all seasons(training, baseball, basketball, soccer, American football, NFL, Squat, weight training, cycle, yoga, rashguard, skiing, snowboarding, all weather sports) Non abrasion fabric material with excellent elasticity and durability, UV BLOCKING 98.8% Moisture Sensing/Quick time Dry/TWO-WAY Air Circulation, Cool in Summer and heat retention in winter Quick and Dry Transport System - Wicks Sweat away from the body, keeping you cooler and drier