This women's specific summer weight cycling baselayer is designed to keep you cool and comfortable even on hot days. PRO Transfer fabric facilitates the evaporative process by rapidly moving moisture away from your skin to outer layers, while activated charcoal in the front panel fabric further speeds dry time and cooling. In back, mesh panels maximize ventilation. Wear this sleeveless baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system during chillier monthsPRO Transfer Dry fabric gives optimal moisture transfer for quick dry performance,Cycling specific, close to body, anatomic fit,Activated charcoal integrated into the yarns used in front panels to speed dry time even more,Soft merrow seams for next to body comfort,Weather forecast: Hot and sunny,Temperature rating: 25 degrees,Fabrics: MineraleTM knit 70% MineraleTM 27% polyester 3% elastane.