361 Sensation running shoes are specially made to deliver an optimum balance of cushioning, stability and comfort. High mileage runners will benefit the most from the light weight and superior shock dispersion. The vibrant color will inspire you to lace the up and hit the road. Upper: Direct attach upper with air mesh delivers improved comfort and fit. Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit. Midsole: Multi-density proprietary delivers enhanced shock attenuation, guidance and acceleration. Quick Dynamic Defense (QDD)/ Quick Dynamic Performance (QDP) systems are lightweight and responsive. Removable insole. Outsole: High abrasion rubber placed in the heel strike zone. Blown rubber in the forefoot provides enhanced shock dispersion and traction.