The Timberland Killington Chukka Boot blends the classic Timberland boot with breathable mesh panels for casual, everyday comfort. Mesh and premium full grain leather upper from an LWG Silver-rated tannery for comfort and durability. Breathable 100%-recycled PET lining for climate control. OrthoLite footbed provides all-day cushioning and support. Injection-molded EVA outsole for traction and 34&-recycled rubber pods. SensorFlex Technology delivers underfoot support, suspension and flexibility.