Update their activewear with these blackHypercool Baselayer Tights from Nike. Designedwith the latest technology to give maximum ventilated comfort during practice or play, they feature mesh sections for cooling and a compression fit for targeted support. - Body: 86% Polyester and 14% Elastane - Back panels and Lining: 88% Polyester and 12% Elastane - Machine washable 30 degrees