Our men\\\'s Treeline STR chukka is designed to provide stability and comfort on any terrain. The upper is made with premium Better Leather sourced from a sustainable tannery rated silver for its environmental processes, as well as durable ReBOTL fabric detailing around the quarter and collar. Containing at least 50% recycled plastic, eco-conscious ReBOTL fabric is also used for the chukka\\\'s lining. The chukka features a special footbed for breathable cushioning and maximum comfort, as well as a protective tip made from durable climbing rubber and a rubber lug outsole for traction. Size 11.5