Timberland Earthkeepers┬« 6" Rugged Waterproof Moccasin-Toe Boot is a durable all-weather boot constructed with responsible materials. Its upper is made of premium, burnished full-grain leather. The lining is 50% recycled PET Cambrelle which is made from recycled plastic bottles; it is not only earth-friendly but it is comfortably breathable too. A traditional lacing system will keep your boots securely in place with 100% organic cotton laces. Anti-fatigue removable footbeds provide all-day comfort and support. Green Rubber outsole with Gripstick technology is made from 42% recycled rubber and features a clean profile and slight lug for optimal traction.