The FiveFingers KomodoSport LS has a convenient speed-lacing system to help the shoes fit larger sizes and high arches. They have a stitch-free footbed to allow you to feel the ground without uncomfortable seams or friction. A Vibram TC1 outsole provides grip on a variety of different surfaces, making these shoes perfect for running and cross training. Barefoot running has been proven to strengthen different muscles in the feet and legs, allowing a more natural and healthier workout.