Under Armour Youth Gamut 1/4 Zip Top 100% polyester Hybrid fleece 86% polyester, 14% elastane body. 100% polyester sleeves and back. Dual-layer fleece with a soft, textured interior that traps added warmth without packing on weight. Water-resistant, Armour Fleece shoulders, sleeves & collar for an extra layer of protection. 4-way stretch fabrication allows greater mobility in any direction.