Muck Boots Arctic Ice Grip A.T. Mid Boots - Women's Black/Grey Geometric 6. The outsole features Vibrams all-new Arctic Grip A.T. with XS Trek Evo for advanced traction on all terrains including wet ice snow mixed/loose surfaces and hard pack. Specifications for Muck Boots Arctic Ice Grip A.T. Mid Boots - Women's: Manufacturer: Muck Boots Gender: Female Age Group: Adults Women's Shoe Width: Medium Boot Style: Winter Boot Footwear Type: Winter Boots Activity: Winter/Snow Weight: 2 lb Fabric/Material: Rubber Footwear Upper Fabric/Material: Vibram Insole Material: bioDEWIX Water Resistance Level: Waterproof Lining Material: Fleece Outsole Material: Vibram Arctic Grip A.T Midsole Material: Lightweight EVA Features of Muck Boots Arctic Ice Grip A.T. Mid Boots - Women's 100percent Waterproof 8mm Neoprene Bootie for Comfort and Performance (5mm Mid) Fleece Lining for Warmth Extended Rubber Coverage Lightweight Midsole for All Day Comfort and Support bioDEWIX Anti-Microbial Footbed Insert Topcover with NZYM for Odor Control and Moisture Management Vibram Arctic Grip A.T for Wet Ice Traction Coupled with XS Trek Evo Adding Durability and Improved Grip on Wet and Dry Surfaces Package Contents: Muck Boots Arctic Ice Grip A.T. Mid Boots - Womens Muck Boots ASVMA-101-GRY-060: Arctic Ice Grip A.T. Mid Boots - Women's Black/Grey Geometric