Stylish, comfortable and supportive. These athletic sneakers check all of the boxes.GT-2000 7 Running Shoes. FlyteFoam® Lyte technology, the lightest midsole available, I.G.S® (Impact Guidance System) technology to improve the foot's natural gait from heel strike to toe-off, and the Dynamic DuoMaxTM Support System for improved stability and support with less weight and more platform support. A vertical flex groove in the Guidance Line® midsole technology allows the tooling to be separated. Shock is reduced throughout the impact and toe-off phases by the GEL® technology cushioning system in the forefoot and rearfoot. For improved gait efficiency, the Trusstic System® incorporates Guidance Line® design, and the SpevaFoamTM 45 lasting uses 45-degree full-length SpevaFoamTM material. The shoe measures 21 mm in the heel and 11 mm in the forefoot. It weighs 8.67 oz.