Gaiam Women's Petal Back Top 71% Tencel, 23% Cotton, 6% Spandex Imported Eco blend of tencel and cotton is naturally wicking Sheer panel back inset, ruched cuffs Soft and stretchy fabric & anti-chafe seams 71% Tencel, 23% Cotton, 6% Spandex Available in XS, S, M, L, XL