The WW1100 from New Balance features True Balance breakthrough balance board technology offers stylish comfort with enhanced muscle toning and calorie burning while you walk. The lightweight, fashion-forward 1100 is the new pulse of the wellness movement; whether you lace them up because they look great or for the health benefit, you're in for a comfortable ride. 1100 Technology: TrueBalance balance board technology combines ACTEVA ULTRA LITE midsole cushioning with a 3/4-length TPU leaf spring system and a rounded blown rubber outsole, all working together to tone muscles and burn more calories. Seamless Phantom Liner reduces the weight of the shoe plus enhances the comfort and fit. Premium foam insert offers high density, open-cell foam to gently conform to the foot and disperse pressure. N-Durance® rubber compound for maximum outsole durability and Sueded Synthetic/Mesh upper provides lightweight comfort and support.