The Merrell Men's Phaserbound 2 Tall Waterproof Boot is a tall, sturdy boot for backpacking long trails. Shoulder your 80L+ pack and head into the mountains for weeks on end. The full grain leather Upper also Features suede and mesh for durable protection against dirt, sticks, rocks and even the errant pine cone. The High height covers over the ankle and underfoot a Flex index of Grade 4 offers plenty of support for the heavy weight you're carrying. Vibram Megagrip creates the Outsole with a 5mm lug depth to dig into the earth and provide the traction to every step. Features of the Merrell Men's Phaserbound 2 Tall Waterproof Boot Full grain leather, suede and mesh Upper Breathable mesh lining Metal hooks and webbing loops for secure lacing Bellows tongue keeps debris out Protective rubber toe cap Molded external heel counter and heel stability arm Merrell Kinetic Fit Base removable contoured insole for flexible support Compression molded EVA Midsole for stability and comfort Merrell Air Cushion Viz in the heel absorbs shock, Cradles the heel and adds stability Vibram Megagrip is a High Performance rubber compound featuring unparalleled grip on wet and dry surfaces Optimal balance of grippiness and durability Flex Index Grade 4 5mm Lug depth Reliable waterproofness ideal for lifestyle footwear intended for low-exertion activities M Select DRY membrane off ers a combination of breathability and waterproofness Improves overall comfort of a shoe by placing an impact-absorbing Pod under the heel Pliable material lessens impact during heel strike, and helps Cradle the heel to maintain