Whether you are attacking the trails, boondocking a hillside, or eating up the gnarliest climb, the Marker Boot is designed to dominate all terrain. When challenged with the toughest obstacles, the Marker Boot has the grip to move forward. With an innovative breathable and waterproof Hydroguard system, the Marker Boot provides great protection to keep your feet warm and dry. The only thing you will need to concentrate on now is giving the next obstacle in your path "the boot." Features: Hydrashield Weatherproof technology Windproof, water resistant, breathable DWR coating to help propel away moisture and keep you dry Taped seam construction in critical areas YKK Vislon main zipper with large storm flap and inner rain gutter Zipper pulls for ease of use with gloves Cordura shoulder panels to protect against wear from backpack straps Thermal 200g body/150g sleeve Reflective panels for safety Micro-fleece collar and beard flap Arm pit vents featuring 2Cool Air Vents mesh designed to keep the snow out Velcro cuffs with glove friendly tab Drop tail design Tether D-ring Unisex boot sizing: Men 6 / Women 8Men 7 / Women 9Men 8 / Women 10Men 9 / Women 11Men 10 / Women 12Men 11 / Women 13Men 12 / Women 14Men 13 / Women 15Men 14 / Women 16Men 15 / Women 17