Florsheim Men's Sherman Ankle Boot 100% Leather Synthetic sole Shaft measures approximately 5" from arch Heel measures approximately 1" Boot opening measures approximately 10" around Bio-Comfort footbed with Poli-cork and Poliyou to wick away moisture Odor-absorbing active carbon Aegis anti-microbial, compression-set Poilyou is made from up to 70% recyled materials Leather quarter linings Airport-friendly non-metal shank