ASICS GEL-Foundation 12 running shoes offer maximum support to better accommodate runners who wear orthotics. The seamless construction provides a more adaptable fit that stretches with comfortable flexibility. You'll love the well-cushioned midsole and long-lasting performance. Ideal for moderate to severe overpronators.Upper: Seamless Construction reduces the potential for irritation and friction caused by traditional stitches and seams. Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit.Midsole: ComforDry™ sockliner provides cushioning performance and antimicrobial properties for a cooler, drier and healthier environment. Maximum Support Last provides more depth and width throughout the mid- and forefoot. Guidance Trusstic System® integrates the Trusstic System® and Guidance Line® for enhanced efficiency while providing midfoot structural integrity. Dynamic DuoMax® Support System enhances stability and support with reduced weight and increased platform comfort. SpEVA® midsole material improves bounce-back characteristics and decreases midsole breakdown. Rearfoot and Forefoot GEL® Cushioning Systems attenuate shock during impact and toe-off phases, and allows movement on multiple planes as the foot transitions through the gait cycle. Removable insole.Outsole: DuraSponge® outsole features a blown AHAR® rubber compound for enhanced cushioning and durability in the forefoot. Guidance Line® vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency.