Ariat Men's Wildcatter Pull-on Composite Toe Work Boot 100% Leather Imported Rubber sole Shaft measures approximately 11.25" from arch Boot opening measures approximately 12.5" around Flame resistant full grain leather foot is waterproof and oil resistant Five row original oil rig stitch pattern with embroidery Dri Lex moisture wicking mesh lining Goodyear welt Heat resistant Kevlar thread used for welt and foot stitching is built to withstand temperatures up to 450? C