AliMed(R) Adjustable Heel Lifts allow you to add up to 3/8&rdquo of lift instantly or peel away one or two layers to create a 1/4&rdquo or 1/8&rdquo lift in just seconds. Resilient rubber layers maintain their corrective lift while still helping absorb shock at heel strike. Attractive leather top cover adds durability. These heel lifts are also a great progressive treatment for Pelvic obliquity, Plantar Fasciitis and Achilles tendonitis. Use bilaterally to help relieve stress on the heel cord and plantar fasciia. Use with a post-op shoe to eliminate pelvic obliquity. Not made with natural rubber latex. Heel Lift Sizing: -Small, fits most women, approximately 2″W x 4-1/4″ L -Medium, fits larger women and smaller men, approximately 2-1/2″ W x 4-1/2″ L -Large, fits most men, approximately 3″W x 5″ L