This sustainable shoe is constructed with Bionic Yarn - plastic that finds its way to the ocean floor.FEATURES & BENEFITS• Sperry BIONIC shoes help break the cycle of plastic pollution worldwide by recycling plastic to make Bionic Yarn• Each pair of Sperry Bionic shoes is woven from, on average, five recycled plastic bottles• 360 degree lacing system with rust proof eyelets for a secure fit• OrthoLite insole provides moisture-wicking cushioned comfort• Non marking, rubber outsole with razor cut wave siping for dry and wet tractionStyle# STS22280