Design: 80% recycled knit and synthetic upper TPU for added support and durability 100% recycled laces and webbing In-Shoe Comfort: FloatPro(TM) Foam midsole for lightweight comfort that lasts Neoprene lining provides breathability and comfort 100% recycled mesh wrapped insole 30% recycled integrated EVA foam insole Durability & Traction: Vibram(R) Ecostep Recycle outsole designed with 30% recycled rubber which provides added durability and improved grip on wet and dry surfaces Additional Details: Cleansport NXT(TM) treated for natural odor control Weight (per shoe): 8.96 oz