Vionic Women's Vortex Zeta Slip-on Sneakers - 7.5 Women's Vortex Zeta Slip-on Sneakers from Vionic in Wasabi. Modern slip-on silhouette with sleek detailing Provide superior arch support and a cushioned insole Textile upper EVA cushioned footbed Easy slip-on Pre-owned in good condition. Size: 7.5 Color: Wasabi Slip-on Sneakers for Women