for more information about the Sperry BIONIC Collection. The Sperry A/O 2-Eye Bionic boat shoe combines your love of nautical style and environmental responsibility with its use of recycled materials to create a beautiful seaside look. Each pair of Sperry BIONIC shoes is woven from, on average five recycled plastic bottles. Upper made with BIONIC material, which is woven from, on average, 5 recycled plastic bottles. Genuine hand-sewn moccasin construction conforms to your foot for durable, broken-in comfort. 360 degrees lacing system with two rustproof eyelets and rawhide laces. Breathable textile lining for added interior comfort. Cushioned Ortholite insole and shock-absorbing heel cup provide long-lasting stability and underfoot comfort. Non-marking, stitched-on rubber outsole is flexible, lightweight, and features Sperrys signature molded Wave-Siping technology for the ultimate traction on both wet and dry surface. Imported. Measurements: Weight: 12 oz Product measurements were taken using size 10, width M (D). Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.