Twisted X Women's 11 Inch Tech XThese Tech X boots offer one of a kind comfort and style Leather vamp with a fabric shaft 85% recycled foam Blend85 footbed CellStretch Comfort Technology responds by activating more than 100 individual pressure points of cloud like comfort in the heel and ball of the foot Air mesh lining Approximately 1 1 4 inch walking heel Rubber leather look outsole Nylon glass fiber shank Integrated spur shelf Double stitched welt Taped interior seams