Comfort-driven construction and durability make these lightweight socks a perfect choice for warm weather performanceSELECT Transfer yarns provide the benchmark in moisture transfer,Flat toe seam construction provides superior comfort over toes,Mesh ventilation over top of foot,No show height,BioViz Screaming Pink color option for added daylight visibility,Weather Forecast: Warm and dry,Temperature Rating: 15 degrees,Fabrics: 64% polyester 34% nylon 2% elastane.