For trail runners who like a close-to-the-ground feel, the FuelCell Rebel Trail balances traction, support and durability with a dynamic underfoot experience. Design: Lightweight, breathable mesh upper with 3D printed overlays for support and abrasion resistance Gusseted tongue provides a secure midfoot lockdown In-Shoe Comfort: FuelCell foam delivers a propulsive feel to help drive you forward Durability & Traction: Full-length Vibram(R) Megagrip outsole with Traction Lug and deep 5mm lugs for enhanced grip in mountainous terrain Additional Details: Weight: 302.5 grams (10.7 oz)