The unique design of the intertwined laces, which are also made of recycled plastic, adapts perfectly to your foot. The iconic KEEN Original Fit with generous toe room also guarantees a comfortable fit. Thanks to their design, UNEEK O3 sneakers are lightweight, breathable and environmentally friendly – we used recycled materials for their production and created a minimum of waste. Water resistance is guaranteed by the eco-friendly DWR treatment without PFAS chemicals. The lightweight foam midsole provides maximum comfort, and with high-quality natural Eco Anti-Odor technology, you don't have to worry about unwanted foot odor. Upper made of recycled PET plastic adapts to the foot Lacing system with cord made of recycled PET plastics Breathable mesh lining EVA insole with arch support for all-day comfort EVA midsole for lightweight cushioning Non-marking rubber outsole with higher grip Eco Anti-Odor for natural odor control PFAS-free, water-resistant DWR treatment Recycled PET plastic Low-waste design Original Fit – iconic KEEN cut with generous space in the forefoot for free toe spread  Colour: Black Pattern: logo Fastening: drawstring Material: Synthetics, textile