61-MERAKI 4 is the hero product for FW21. Using our most advanced and innovative 361 midsole QU!KFOAM technology, with a new platform design and intentional geometry setup it will undoubtedly provide a new neutral running experience. The updated and speedy upper focuses on comfort and a very supportive and contoured fit via our MORPHIT system.FEATURE / BENEFIT The heel construction and collar provide superb fit and comfort, reducing chances of irritation. Pressure Free Tongue and its anatomical shape help deliver great fit and breathability while staying in place. A thin padding is positioned at the top of the foot helps avoid any irritation. MORPHIT SYSTEM, a multi-dimensional lacing design that fits dynamically with the foot, providing superior support and comfort during loading at mid-stance phase. ORTHOLITE insoles utilizes 20% recycled content while still retaining the performance fit and comfort that runners want. QU!KFOAM, a midsole material comprised of an EVA rubber blend with PU coating that provides excellent durability, cushioning and responsiveness.