Trekking Shoes Synergy

BOREAL Synergy is designed for optimum feel. A highly aggressive last shape is carefully blended with superb sensitivity and supremely sticky BOREAL Zenith Ultra™ rubber to enhance the natural qualities of the foot, a true synergy of design, materials and craftsmanship, enabling you to push your limits on any bloc, both indoor or on rock.Features:- Synergy features a highly asymmetric and downturned last to optimally position the foot on steep rock. The lined, synthetic upper with strap closure comfortably holds the foot, and ensures minimal stretch over time.- The rand and toe patch are constructed from a single piece, and combined with an area of our Friction Skin rubber coating, provides ou…