Black Chain Detail Block Heel Ankle Boots Kurt Geiger London approaches the block heel boot trend with signature elegance in the new Raquel ankle boot. Cut in smooth leather, this sleek update to the timeless Chelsea boot is built on a block 85mm heel with the brand's chain detail to convey high-end credentials. Elasticated gussets at the side deliver flexible comfort, slip them on and watch them elevate smart-to-casual outfits to whole new heights.