Product Story Introducing Our First Hiking-Specific Shoe: The Explore Nitro Mid Gore-Tex. It's Designed For All Trails, From Flat And Gravelly To Steep And Rocky, With A Combination Of Nitro Foam And Preformulate Through The Midsole Maximising Comfort Over Any Terrain. Throw In A Puma Grip Atr Outsole And A Unique Collar Shape – Complete With Integrated, Heel Supporting Lacing System – And You Have Your Next Trail Companion. This Pair Also Has A Waterproof Gore-Tex Upper To Keep You Exploring The Trails In All Conditions. Features & Benefits Nitro: Advanced Nitrogen-Injected Foam Designed To Provide Superior Responsiveness And Cushioning In A Lightweight Package Preformulate: Extremely Lightweight Eva Designed To Cushion Your Landing And Propel Each Step Puma Grip Atr: Trail-Ready Performance Rubber Compound Designed For Traction On Ice, Mud, And Unstable Surfaces Recycled Content: The Upper Of This Shoe Is Made With At Least 30% Recycled Materials As A Step Toward A Better Future. Details Mid-Cut Bootie Construction Gore-Tex Upper Flared Midfoot Shape Toe Drainage Port Opti Fit Adaptive Fit System Designed To Offer A Secure Lockdown And Support During Exercise Cushioning Level: Medium Heel-To-Toe Drop: 6Mm Best For: Neutral Pronators.