This Under Armour HeatGear Training Baselayer Top is crafted to be sleeveless with a crew neck and flat lock seams to prevent chafing. It features mesh panelling combined with HeatGear technology to keep your skin cool and comfortable for longer. This top is a lightweight construction designed with a signature logo, finished with Under Armour branding. > Baselayer top > Sleeveless > Crew neck > Flat lock seams > Mesh panelling > HeatGear technology > Lightweight > Signature logo > Under Armour branding > Body: 84% polyester, 16% elastane > Insert: 92% polyester, 8% elastane > Machine washable