Continue on your road to better performance with the enhanced durability, lightweight comfort, and assured stability of the ASICS® GEL-Quantum® 360 5 running shoe. Predecessor: GEL-Quantum® 360 4. Support Type: Neutral.Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10 mm.Heel/Toe: 21mm/11mm. 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 foot's 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: 11 ozProduct measurements were taken using size 7.5, width B - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.