Women's Vionic Winny Knit Sneakers This sneaker combines a soft knit upper with a streamlined shape for comfort that feels easy and breathable. The stretchy material gently conforms to the foot, while the lace-up closure lets you tighten things up for a secure feel. A cushioned insole supports comfortable wear through long days on the move. With its low-height, rounded sole, this style fits right into casual outfits and busy schedules.