Elevate your casual style in the Madewell SSidewalk High-Top Sneakers in Colorblock Leather. Do Well: Uses recycled pre-consumer cotton that could otherwise go to landfills. Lace-up style, color-block high-tops. Crafted of rich leather with a recycled cotton lining. Madewell Cloudlift insoles for a supercushy, ultra-supportive fit that feels like walking on a...well, you know. 65% recycled cotton lining. Leather upper. Lining and insole made from textile material. Synthetic outsole.