The enhanced durability, lightweight comfort, and assured stability of theASICS GEL-Quantum 360 5 running shoe will keep you on road to betterperformance 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 uppermaterials. FluidFit design combines multi-directional stretch mesh withstretch reinforcements that adapt to the foot for an enhanced, glove-likefit.Seamless construction in the forefoot helps eliminate the likelihood ofirritation.Lace-up closure. Padded tongue and collar. Features 360 degrees ofASICS GEL technology for total underfoot cushioning.Exoskeletal HeelClutching System promotes a better fit and more secure feel.Breathable fabriclining offers a great in-shoe feel. Removable Ortholite X-40 premiumsockliner features higher rebound properties while providing excellentmoisture management and a high-level of breathability.Solyte midsole deliversfeatherweight cushioning and long-lasting durability.Trusstic System reducesthe weight of the sole unit while retaining the structural integrity of theshoe.I.G.S (Impact Guidance System) Technology employs linked componentry toenhance the foot's natural gait from heel strike through toe-off.Rearfoot andforefoot GEL cushioning breaks up impacting shock during the impact and toe-off phases, while allowing movement in multiple planes through the gaitcycle.AHAR rubber outsole delivers cushioning, long-lasting durability, andreliable traction.Imported. Product measurements were taken using size 11,width D - Medium. Please note that measurements may vary by size.Weight offootwear is based on a single item, not a pair.Measurements: * Weight: 14 oz