These UltraLite boots offer the comfort and support you need with less weight Leather vamp, ecoTWX shaft made with recycled plastic bottles 85% recycled foam Blend85 footbed Rubber outsole integrated with blended rice husk, and agricultural by-product that is typically thrown away Elastic goring Storm welt Composite shank Air mesh lining EVA compound to create footwear that is on average 20% lighter Approximately 1.25 inch block heel Twisted X Men's 6 Inch Ultra Lite X Boot