The Baffin Zone is a high-performance winter sport-boot, designed with a tendon guard and ledge to allow for easy snowshoe binding compatibility. Tested by Baffin ambassadors during marathons and ultramarathons in both the Arctic and Antarctic, ZONE is the solution to limitless outdoor recreation and fun. Insulation Level: Fixed-Fit multi-layer inner boot system Waterproof Level: B-Tek Dry Waterproof breathable Snowshoe compatible Technology Upper: Breathable soft shell upper Speed-lace front fastening system with pull loop at the back for ease of entry Hiker-height for improved agility Base: Snowshoe compatible EVA midsole for light-weight insulation and cushioning Polar RubberA(R) outsole for maximized grip and longevity of boot at cold temperatures Thermoplastic Polyurethane (TPU) plate for torsional rigidity