Zoot Sports Women's Ultra Tri Tank Body: 80% Polyamide, 20% Elastane Ultrapowertek With Coldblack, 225Gm2, Inset: 82% Polyester, 18% Spandex, 200Gm2, Lining: 79% Nylon, 21% Spandex, 228Gm2 Imported SeamLink stitch construction ensures next-to-skin comfort, minimizes chafing and stretches with fabric