These Timberland Amherst High Top Chukka boots are more than just a polished classic, they are carefully engineered to be ecologically-friendly and strong enough to help you tackle your adventures in any terrain. Upper crafted with premium nubuck leather that is soft and durable. Leather from an LWG Silver-rated tannery is environmentally conscious. Lace-up style for a secure, adjustable fit. 50% recycled PET mesh lining is comfortable, breathable and environmentally conscious. OrthoLite footbed provides all-day cushioning and support. SensorFlex technology delivers underfoot support, independent suspension and greater flexibility.