Übergrip Toe Strap with Recycled Vibram© EcoStep™ Rubber - Co-developed with VIBRAM®, known for their high performance rubber outsoles, Nitro designed a toe strap that combines the shape and feel of their B.E.S.T. Convertible toe strap concept with the sticky ECOSTEP rubber from VIBRAM®. The strap adapts to any boots toe box shape while the rubber holds the strap in place, no matter how hard you stomp your landing, whether it’s wet or freezing. Vibram© ECOSTEP™ rubber Vibram´s and Nitro´s dedication to environmental conservations has let to the implementation of this high quality traction compound formulation made of up to 50% recycled rubber.