This insole is lighter weight and more breathable than solid gel insoles. Full-length insole cushions and supports your heel, arch and ball-of-foot. Gel arch support increases stability and comfort. Dual color gel at impact zones - Ball-of-foot and heel. Description Airplus Extreme Active Gel Insole is a full length full cushion insole. The insole is lightweight utilizing a flexible foot plate supporting and cushioning the entire foot. Dual density gel creates heel stability and arch support. The insole also utilizes our unique 3 layer construction. Featuring Tri-Stride Technology, Airplus Amazing Active Gel Insoles use three unique gels to deliver shock absorption, support, and cushioning. The lightweight and flexible design allows for a slim fit in any shoe.