Give style on and off the track! The Sizzle Sneaker by SmartFit features a durable faux-leather upper, laces and an easy-on/easy-off strap for a great fit, padded collar, tongue, and insole for comfort. Soft fabric lining and a lightweight, non-marking, skid-resistant outsole. All SmartFit shoes have Tried and True Technology: wiggle room for toes, easy on/easy off, and durable design. Manmade materials.