Comfort-driven construction & durability make these lightweight socks a perfect choice for warm weather performance SELECT Transfer yarns provide the benchmark in moisture transfer Flat toe seam construction provides superior comfort over toes Mesh ventilation over top of foot Low cuff height Bio Viz&9516;& Ouml; Screaming Yellow color option for added daylight visibility Weather Forecast: Warm & dry Temperature Rating: 15 degrees Fabrics: 63% polyester 33% nylon 4% elastane