Timberland Pro Men's Thermal Force 8" Soft Toe Waterproof/Insulated Boot 100% Leather Rubber sole Shaft measures approximately 8 1/4" from arch Boot opening measures approximately 9 1/2" around The 'Thermal Force 8"' features a Leather Upper Traction rubber outsole Made in China Timberland footwear is trusted worldwide for by those who appreciate reliable, high-quality shoes and boots