Run Sparty Sweatshirt Size:L Ball Bearings in all moving

Ball Bearings in all moving pivot points

the FS4™+ creates a technical performance sock that strengthens the foot and leg structure and prevents overuse injuries

the R3 features a medial convex surface to stretch the plantar and all the small intrinsic foot muscles

this product is made to last no matter where your next run may take you

EASY ON / EASY OFF - Designed to be easy to put on

Run Sparty Sweatshirt Size:L Ball Bearings in all movingRun Sparty Sweatshirt 7. 5 oz. yd, 80 20 ringspun USA cotton polyester 50 50 ringspun cotton polyester Reactive dyed for longer lasting color Jersey lined hood Matching flat drawcord Pouch pocket Ribbed cuffs and waistband with 5% spandex Tear away label USMCA certified