The North Face 24/7 S/S TEE REG. No matter where or how you train, the 100% recycled 24/7 T-Shirt is designed to keep you dry. Powered by FlashDry™ technology that functions like a second skin, it pulls moisture to the surface for quick evaporation. It also resists saturation, so even during intense sessions, it dries in no time. FlashDry™ fabrics are engineered to wick moisture away from your skin helping to keep you dry, cool and comfortable. Short-sleeve performance t-shirt. FlashDry™ fabric. Fabric : 100% Recycled Polyester, Knit. Short-sleeve performance t-shirt. FlashDry fabric. The technology also resists saturation. Very comfortable to wear.