Made of 73% Bamboo, 21% Polyamide, 6% Elastane. Skin-friendly and Eco-friendly blend of bamboo fiber perfect for activewear. Tagless and seamless for the most comfortable fit. Antibacterial & odor preventative mineral content in fibers. Made in Italy. Sizes run as follows: S/M (2-4-6), M/L (8-10), L/XL (10-12).