Vertx VaporCore 5in Crew Sock - Mens Dark Earth Medium F1 DET MEDIUM. These Men's Socks designed by Vertx contain VaporCore powered by 37.5 technology that accelerates the wicking and drying time of these socks so that you can wear them all day without a problem. The Vertx VaporCore 5in Crew Sock - Men's is built with odor-resistant wool construction and resists odors naturally. Heel and toe reinforcement secures these socks to your feet and they are 5" crew length to fit with most footwear. Pick up a pair of these Vertx VaporCore Men's 5in Crew Socks to keep your feet protected and comfortable. Specifications for Vertx Vaporcore Crew Sock - Men's: Manufacturer: Vertx Gender: Male Age Group: Adults Sock Height: Crew Footwear Type: Socks Fabric/Material: 62percent Wool/31percent Nylon/7percent Spandex Features of Vertx Vaporcore Crew Sock - Men's Merino wool knit naturally resists odors and regulates temperature and moisture Heel and toe reinforcement provides cushion and durability Knit mesh top-of-foot adds ventilation Compression fit does not sag or stretch over time VaporCore powered by 37.5 technology promotes active cooling and rapid drying Package Contents: Vertx Vaporcore Crew Sock - Men's Vertx F1 VTX9105 DET MEDIUM: VaporCore 5in Crew Sock - Mens Dark Earth Medium