The SOLO Profile™ is one of the thinnest and lightest biomechanically engineered orthotics available. Indications Any case where limited space is available in shoes (i.e., loafers or dress shoes). Can also be used in athletic activities such as soccer, track or gymnastics where lowprofile shoe gear is required. Has the versatility for indications of everyday use such as walking and working. Not recommended for rigid foot types. Not available with flanges, clips or deep heel cups.