Xero Shoes 360 Women's Barefoot Cross-Training Sky Blue and Black Size 10 From website: Genuine comfort comes from letting your feet do what's natural — bending, flexing, moving, feeling. With rope-gripping rubber inlays and a high-traction sole, the all-new 360º is a lightweight cross-training shoe designed to handle court sports, parkour, CrossFit, and just about anything else that requires quick lateral movement.