THERMA Fabric: Polar Vortex? No worries, we've got you covered! Meticulously manufactured by BlackStrap, THERMA is a Midweight, sub-zero annihilator. This fabric features 4-Way Stretch for utmost motility, Quick-Dry, brushed Soft-Touch next-to-skin feel, and Thermal-Regulation to ensure your body maintains warmth while getting after it. Therma is also Machine Washer and Dryer Safe, Moisture-Wicking, Lens-Safe, features SpectraUV (UPF 50+) for sun protection and has Odor-Free properties. DRI-FLO Moisture Wicking: Unlike traditional fabrics, which trap sweat between the skin and your clothing causing you to feel hot and uncomfortable, BlackStrap's Dri-Flo system is a Moisture-Wicking technology designed to ensure your sweat evaporates from your skin allowing for optimal temperature regulation. Breathable, 4-Way Stretch, Helmet Friendly, Moisture-Wicking, Abrasion-Resistant, Thermal-Regulation, Odor-Free, Quick-Dry, Lens-Safe, SpectraUV, Finish Seams, Soft-Touch, Machine Washable/Dryer Safe One Size Fits Most Kids Ages 2-7ish. Dimensions: (approx.) 13.5 (L) x 8.5 (W) inches.