USED Mammut Ducan Low GTX Shoes - Mens Sapphire Dark Sapphire 12 US 11 UK

USED Mammut Ducan Low GTX Shoes - Mens Sapphire Dark Sapphire 12 US 11 UK. A literal spring in your step Mammut Flextrontechnology uses a spring-steel sole to provide effective shock absorption energy transfer and stability to keep your energy up and support your natural stride. A Vibram outersole provides reliable grip and a trusted GORE-TEX membrane keeps you protected from adverse weather. All this in an anatomically tailored design for a comfortable precise fit. The Ducan collection a classi