Lightweight Performance Stretch Midweight Polyester Spandex with Quick Dry and Solar-Factor UPF 40+ UV protection to keep you comfortable. Quick Dry Technology Performance Stretch Lightweight Polyester Spandex Hand Pockets Inside Bloomer for the Ultimate Fit and Comfort Specs Body: 92% Polyester, 8% Spandex Underpants: 95% Polyester, 5% Spandex Pocket: 100% Polyester Machine wash cold with like colors, only non-chlorine bleach when needed, tumble dry low, remove promptly, cool iron if needed