The NB Nergize Sport women's sneaker debunks this myth with an eye-catching and athletic low-profile upper and a slip-on bootie construction so that you can get in and out with ease. Underfoot, experience a super-soft NB Comfort Insert over a responsive REVlite midsole for an unmatched feel. Breathable fabric upper with synthetic trim details. Easy slip-on entry with optional lace-up front. Classic round toe. Comfort insole with memory foam technology. Cushioned REVLite midsole for added comfort. Durable outsole with rubber grip pads for added traction (NO ORIGINAL BOX)