Skechers BOBS Chill Lugs - Urban Spell Women s Slip-On Sneaker Style your way through the cold in the BOBS Chill Lugs - Urban Spell women s Slip-On Sneaker from Skechers. With a microfiber fabric upper featuring a plush chenille lining for a great feel, this Slip-On has an alpargata Flat design that includes a V-notch elastic insert for easy entry. The Memory Foam cushions every step while the lug outsole absorbs shock and provides traction.