Softforms cost effective, supportive and cushioning arch supports are available in three densities and two materials. The Softform EFO (Extra Firm Orthotic) is one of the only semirigid orthotics that does not compress, change shape or bottom out during normal use. Softform EFO's insoles also provide an excellent foundation for custom-fabricated orthotics. Use the Softform XPO Insoles where long life and functional control are your primary objectives.