Merrell Moab Peak Ventilator Waterproof Walking Boots - SS15 Ankle Support - Adds stability and security. Highly-Breathable Mesh Upper - Allows air to permeate the boot and keep the foot coll and dry. Dura Leather Strapping - Secures the foot in the boot. Vibram Multi-Sport Plus Sole - Provides superior traction. 5mm Lugs - Allows the boot to be flexible.