This Vida RZX from Ryka boldly goes where other sneakers have only dreamed of going, giving you both flexibility and cushioning all in one training shoe. The secret is in the innovative Ultra Flex and RE-ZORB design, which helps to reduce foot pressure and absorb impact. So you can focus on your workout and leave your worries in the dust. From Ryka. Style: Vida RZX Breathable upper design Ultra Flex in the forefoot to reduce pressure, RE-ZORB in heel to absorb impact Flat outsole Man-made materials Imported Ryka Lace-up Training Sneakers - Vida RZX