Eliminate foot pain with our insoles that effectively align your feet and legs, providing relief and support all day long. Perfect for work, leisurely strolls, or extended periods of standing. Fits seamlessly into cross trainers, work boots, and walking shoes. Details: Trim-to-fit design for a customized fit Lightweight EVA construction offers firm support and lasting comfort Cushioned heel and forefoot pads absorb impact and reduce fatigue Deep heel cup promotes proper foot alignment Odorban anti-odor top cloth helps keep feet fresh all day Podiatrist-designed as a cost-effective alternative to custom-made orthotics Research suggests Vionic's footbeds can reduce over-pronation, relieving heel (plantar fasciitis), knee and lower back pain APMA Seal of Approval indicates they promote healthy feet Small: Men’s 5.5-7, Women’s 6.5-8Medium: Men’s 7.5-9, Women’s 8.5-10Large: Men’s 9.5-11, Women’s 10.5-12X-Large: Men’s 11.5-13