This NIB Specialized SL Footbed insoles are from a Local Bike Shop that closed. These are unisex size with the blue insoles being moderate support. These insoles are designed to fit in cycling shoes, but I use them in athletic shoes as well. Note that cycling shoes tend to be more narrow than regular shoes. . Blue is moderate support.t. Prevent foot/arch collapse in the down-stroke. Increase power and efficiency of pedal stroke. Reduce chance of injury by aligning hip, knee, foot Metatarsal button increases comfort and reduces numbness. The toe section of the footbed can be trimmed to fit your shoes.