Timberland Men's Euro Dub Boot 100% Leather, Fabric Synthetic sole Shaft measures approximately 6" from arch Boot opening measures approximately 11.75" around Athletic-inspired boot featuring abrasion-resistant waterproof helcor leather at perimeter and one-piece lace keeper insert;100% recycled PET laces, mesh lining, and footbed cover;Durable 34% recycled rubber outsole