NikeLab Women's Dunk Lux Sacai Slip-On Shoes Midnight Navy / Varsity Maize Brand New in Box. White Sacai drawstring carry-bag included. The collaboration of Nikelab and Sacai?s produces a modern re-imagination of the retro silhouette with a premium full leather upper and seamless construction in a slip-on design. The laceless sneaker sports an elasticated tongue which gives the the retro sneaker an unprecedented ?futuristic? look.