Soft cotton fabric offers comfort Round neck HeatGear® technology absorbs moisture and keeps you dry and cool 4-way stretch construction lets you move freely Strategic mesh panels for added ventilation Sweat-wicking material keeps you dry and cool Ergonomic flatlock seams for added comfort Regular fit Material composition: 90% Polyester, 10% Elastane More Info Sport: Training Product code: UA1361723-001 Under Armour Kids' HeatGear® Training Baselayer Top (Older Kids)