This casual and comfortable Timberland Boots Mens Bradstreet Leather Chukka Medium Brown Full Grain has an upper in premium Better Leather, which is sourced from a sustainable tannery rated silver for its environmental processes. The durable lining uses ReBOTL™ fabric, containing at least 50% recycled plastic. This chukka features a three-layer SensorFlex™ system to provide support that moves with the foot.