Nike pro core sleeveless base layer mens 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 mens base layer top sleeveless dri fit technology meshed panelling compression fit designed to keep you cool body 90 polyester 10 elastane mesh 92 polyester 8 elastane machine washable b