This Mens Nike Pro Core Sleeveless Base Layer ahs been engineered with Dri-Fit technology to keep you dry and comfortable, whilst the overall design helps keep you cool and the compression fit allows you to enhance your movement. Please note: The style you receive may vary from the image shown. > Mens Base Layer Top > Sleeveless > Crew neck > Regular fit > Dri-Fit technology > Meshed panelling > Compression fit > Flat lock seams > Split hems at rear > Designed to keep you cool > Body: 90% Polyester/ 10% Elastane > Mesh: 92% Polyester/ 8% Elastane > Machine washable