The enhanced durability, lightweight comfort, and assured stability of the ASICS GEL-Quantum 360 5 running shoe will keep you on road to better performance and improved times. Predecessor: GEL-Quantum 360 4. Support Type: Neutral. Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10 mm. Heel/Toe: 22mm/12mm. Breathable mesh and synthetic upper materials. FluidFit design combines multi-directional stretch mesh with stretch reinforcements that adapt to the foot for an enhanced, glove-like fit. Seamless construction in the forefoot helps eliminate the likelihood of irritation. Lace-up closure. Padded tongue and collar. Features 360 degrees of ASICS GEL technology for total underfoot cushioning. Exoskeletal Heel Clutching System promotes a better fit and more secure feel. Breathable fabric lining offers a great in-shoe feel. Removable Ortholite X-40 premium sockliner features higher rebound properties while providing excellent moisture management and a high-level of breathability. Solyte midsole delivers featherweight cushioning and long-lasting durability. Trusstic System reduces the weight of the sole unit while retaining the structural integrity of the shoe. I.G.S (Impact Guidance System) Technology employs linked componentry to enhance the foots natural gait from heel strike through toe-off. Rearfoot and forefoot GEL cushioning breaks up impacting shock during the impact and toe-off phases, while allowing movement in multiple planes through the gait cycle. AHAR rubber outsole delivers cushioning, long-lasting durability, and reliable traction. Imported. Measurements: Weight: 14 oz Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.