Named with the Slovenian word for daughter, this Luka 4 mixes beautiful pinks and vibrant reds with elegant gold accents to celebrate the love he has for his little girl. Of course, it's also got Cushlon foam and an Air Zoom unit to help you dominate on the court. Design Flexible upper The heart beneath the tongue reflects a tribute to his daughter that Luka draws on all his shoes A compass on the outsole nods to how Luka plays on court In-Shoe Comfort This Luka's got Air. We added a snappy and responsive Air Zoom unit to the forefoot of this shoe, helping give you a quick-off-the-ground sensation Full-length Cushlon foam underfoot makes for a comfortable ride Durability & Traction To keep 'em off balance, you got to have balance. Flightwire technology from the Luka 1 helps provide the stability and supportive containment you need to stay in control