Rearfoot and Forefoot GEL Technology Cushioning System - Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Trusstic System technology - Reduces the weight of the sole unit while retaining the structural integrity of the shoe. Heel Clutching System Technology - Exoskeletal heel counter provides improved support and creates improved heel fitting environment. Ortholite X-40 Sockliner - This premium sockliner features higher rebound properties while providing excellent moisture management and a high-level of breathability (Ortholite is a registered trademark of ATP Manufacturing LLC.) Solyte Midsole Material - A lighter weight midsole compound than ASICS standard EVA and SpEVA midsoles. Also features enhanced cushioning and durability. Run hard, land soft. The GEL-Quantum 360 Knit shoe is constructed with 360 degrees of our GEL technology cushioning that blends high performance with maximum comfort. A new stretch knit upper surrounds the foot in a custom, sock-like fit so you can power through running and cross-training workouts. Weight: 10.4. Heel Height: 21. Forefoot Height: 11.