CLARKS Women's Arctic Glacier 100% Leather Rubber sole Shaft measures approximately 4.5" from arch Heel measures approximately 1.5" Boot opening measures approximately 9.75" around Shock absorbing soleassage features textured bumps for a massage effect Padded polyurethene insole provides additional comfort and bounce for all day comfort Soft fabric interior lining with minimal stitching helps prevent abrasion Waterproof