Featuring a lightweight and responsive design with loads of support, your legs will thank you as you crush personal bests and conquer new terrain. With our company focus on eco-friendly materials and sustainable and ethical manufacturing processes, you can feel good about your impact on the planet. BENEFITS Proprietary 3.5mm Claw outsole lugs. Proprietary ZenFoam midsole; soft, lightweight, bouncy, and durable. A toe box that allows your toes to splay and function as they should. Padded heel counter for added comfort. Rocker geometry for efficient running. Return to Tarkine recycling program. Recycled upper and lace construction. SPECS: Stack heights (thickness of the shoe underfoot) of 33mm (forefoot) and 39mm (heel). Women's 8US weighs in at ~230grams (8oz),