The Soft Stride Lightweight Thin Insoles with Top Covers are superior for distributing pressure evenly and attenuating impact load at heel strike. Lightweight with a thinner forefoot and extra polymer in the heel and arch areas to reduce shock. If shoe size falls between sizes select larger size as insole may be easily trimmed with scissors. Reduce shock over entire plantar surface with lightweight and thinner forefoot design Contain extra polymer in heel and arch areas to reduce shock Use for lower back fatigue and heel pain Available in sizes A B C D or E 2 per package Size