The Asics Gel Quantum 360 2 CM provides all round GEL cushioning with the added benefit of Trusstic System Technology, to provide a stable yet comfortable run every single time! Features: -ComforDry X-40 Sockline -Heel clutching system technology - FluidFit upper - Seamless construction - Solyte midsole material - Trusstic system technology - Rearfoot and forefoot GEL cushioning systems