Under Armour Coldgear Armour Leggings

Ultra-warm - The boys' thermal leggings feature a dual-layer fabric with an ultra-warm, brushed interior and a smooth, fast-drying exterior. Strategic ventilation - With a stretch-mesh gusset, the boys' base layer bottoms give you breathability just in the places you need it. Smooth and stretchy - The boys' base layer leggings' 4-way stretch material gives you full freedom of movement throughout the training session. Sweat-wicking - Even in fast-action, stay cool with the long johns' sweat-wicking, fast-drying material, which features anti-odour technology. Material and fit - Under Armour Boy's UA CG Armour Leggings, winter running pants, thermal bottoms, material: 87% Polyester/13% Elastane.