DESCRIPTIONS Our Killington men's leather chukkas mix the performance and comfort of a trainer with sleek leather uppers sourced from tanneries that are audited for their environmental efforts during the tanning process.Plus,they feature SensorFlex™ technology for comfort,flexibility and stability on any terrain. PRODUCT DETAIL • Made with premium nubuck Better Leather from a sustainable tannery rated Silver for its water,energy and waste management practices • 50% recycled PET laces • Breathable mesh lining • OrthoLite® footbed for cushioning and support • Dynamic SensorFlex™ technology is a three-layer system for support,suspension and flexibility underfoot • Rubber heel and outsole for grip