Timberland Men's 6" Premium Boot. The original, with a unique twist. The Timberland Earthkeepers 6" Premium Boot is economically friendly and designed specifically. featuring like nubuck from an environmentally friendly tannery, PET lining made from recycled bottles, organic cotton laces, and a recycled rubber sole make these Tims eco-friendly. Performance features make these boots as rugged and functional; anti-fatigue footbed enables all day energy return, the durable lug sole promotes enhanced traction, and the hexagonal brass eyelets won't rust. Discover how fashionable going green can be with these classic Timberland boots. Eco-friendly Premium nubuck upper PET lining Organic cotton laces Anti-fatigue footbed Rubber lug sole Hexagonal brass eyelets.