Synthetic with a mix of elastic laces and hook and loop closure The rich constructed upper stays true to the PUMA DNA featuring a synthetic leather base with soft synthetic eyestay and toe overlay as well as perforation details on the vamp. With Caven 2.0 you choose to embody the role of your favorite character from the cool street sporty kid to the sports hero that everyone admires. The SoftFoam+ sockliner provides superior cushioning and optimal comfort for every step of your day. This execution features contrast color blocking on overlays.