Rubber sole Shaft measures approximately Ankle from arch Boot opening measures approximately 12" around We recommend buying boots a size down from your usual sneaker size, so if you’re a sneaker size 11 order a size 10.5 Premium full-grain leather uppers Breathable ReBOTL fabric linings are made with 50% PET (recycled plastic bottles) Removable anti-fatigue footbeds provide all-day comfort and support Covered by the Timberland Limited Warranty; For complete terms, limitations, and instructions on how to make a warranty claim, please visit the Timberland website