Amazon.com | Arbpro EVO 2 Climbing Boots- Size 6 | Climbing。The Arbpro Evo 2 Tree Climbing Boots were designed for professional Arborists. ArbPro has perfected their tree climbing boots with these EVO 2 boots by combining the EVO style with the Clip\'n Step style. It uses the eVent technology for breathability and water resistance. The Arbpro Evo 2 Tree Climbing Boots have a unique grip pattern and the sole is made from a soft, tactile rubber compound - excellent for gripping branches and designed to be very gentle on the cambium. Other features include a no-snag soft lacing to protect your rope while foot locking, an almost flat Vibram sole, rubber rand up the sides, a three quarter shank, and a narrow nose.