Zoot Sports Men's Active Triathlon Tank nylon Body: 200 g. 80% nylon/20% spandex Endura UPF 50+ sun protection Two center back pockets 10" (25.5 cm) Cam Lock zipper with soft-finish zipper binding SeamLink stitch construction ensures next-to-skin comfort 23" (58.4 cm) front body length Machine wash cold, Gentle cycle, No softeners, Dry Flat, Do not bleach, Do not dryclean MO