Worn twice, comes with replacement box Open to offers. Premium collar design for tailored locked-in feel and comfort Altra signature FootShape™ toe boxes allow your toes to relax and spread out naturally 5 mm contour insoles provide additional support Balanced Cushioning™ platforms place your heels and forefeet the same distance from the ground, which encourages low-impact landings Vibram® Megagrip outsoles provide traction in both wet and dry conditions https://www.rei.com/product/209551/altra-olympus-5-trail-running-shoes-mens