Lightfeet Slim Fit Insoles Size:Large (USM9.5-10.5/USW10.5-11.5) The Ja Fly 4 is

The Ja Fly 4 is more than just a shoe – it’s a performance tool that represents the pinnacle of track and field technology

A LITETRUSS™ support system is placed in the midsole

Microban to help prevent the growth of odor-causing bacteria and Polyurethane foam to enhance comfort

Lightweight and easy to carry

Lightweight CoolMax® EcoMade fibers wick moisture and dry quickly

Lightfeet Slim Fit Insoles Size:Large (USM9.5-10.5/USW10.5-11.5) The Ja Fly 4 isThe Lightfeet SLIMFIT insole offers support, fit and comfort for SLIM FITTING FOOTWEAR. Designed by Australian Sports Podiatrists Arch support aligns your foot Improves muscle efficiency and reduce joint stress Impact reduction with LIGHTFEET HEEL ANTISHOCK Energy return with LIGHTFEET ReGEN Technology: SHOCK ABSORPTION Reduces impact shock to the feet and joints to enhance performance MAXIMUM ENERGY RETURN Supreme spring back helps enhance