Design: Seamless one-piece upper made of FSC-certified TENCEL™ Lyocell (eucalyptus tree fiber) Bio-based nylon eyelets Reflective details increase visibility for safer runs In-Shoe Comfort: Lightweight, breathable eucalyptus fiber provides next-level comfort Lightly padded heel collar locks ankle in place Castor bean oil-based insole foam Insoles feature contoured cushioning to support every step SweetFoam® midsole made with sugarcane-based green EVA Durability & Traction: FSC-certified natural rubber outsole Additional Details: Best For: Everyday runs, roads, soft landings Weight: 302.5g (10.67 oz) Heel Drop: 7mm (Forefoot: 15.5mm, Heel: 22.5mm) Carbon Footprint: 11.3 kg CO2e Care Guide: Pull out insoles and laces, slip shoes into a delicates bag, and toss into washing machine - gentle cycle with cold water with your favorite mild detergent. Shake off any excess water and air dry.