Madewell Sidewalk Low-Top Sneakers in Leather and Calf Hair: Wave Edition sz 11 Excellent condition Made of rich leather with a recycled cotton lining, these low-tops have MWL Cloudlift insoles for a supercushy, ultra-supportive fit that feels like walking on a...well, you know. Calf hair, leather upper. Sock/lining: 65% recycled cotton/35% conventional cotton. Man-made sole. Import. Item MD775