Vionic Women's Jacey Leather Wedge Slip On Comfort Shoes Black Size 10. VIONIC SHOES: The innovative biomechanics of THREE-ZONE COMFORT deliver enhanced stability with a deep heel cup, superior forefoot cushioning, and ultimate arch support midsole. These essential contact points hug your foot's natural curves in all of our casual, dress, active, and slipper styles. Experience the Vionic difference: on-trend fashion, unmatched fit, and feel-great wellness from the ground up. Vionic: Style You Want, Comfort You Crave.