Design: 200g PrimaLoft(R) BIO insulation keeps the feet warm B-DRY waterproof membrane protects the feet in wet or wintery conditions Board lasted construction Oiled waterproof nubuck leather upper Abrasion resistant lining Spandex snow gaiter comfortably protects the foot Printed mud guard Abrasion resistant collar overlay 100% PRET laces and webbing In-Shoe Comfort: O FIT Insole(R) for comfortable all-day wear Rubber EVA blend Adaptive Foam insole adds comfort and support Durability & Traction: Vibram(R) Arctic Grip A.T. outsole for enhanced grip on ice Extended heel for increased ground contact necessary for braking Siping in the lugs to improve traction on wet surfaces 5mm lug depth and placement are ideal for shedding mud and snow while enhancing traction Additional Details: Weight: 21.1 oz./598 grams (size 9)