Materials: 78% nylon, 22% spandex Quick-drying, moisture-wicking, anti-microbial, 4-way stretch Thumbholes Zipper guard tab to prevent chafing This garment is made from fabric certified by Standard 100 OEKO-TEX (Certificate Number: 22.HCN.20980) which ensures that no hazardous substances are present Bluesign®-certified manufacturing thats safer and more efficient Made with care in a WRAP-certified safe, responsible factory in Yunfu City, China