Amazon.com | Xero Shoes Men。Xero Shoes HFS Lightweight Road Runner Sneakers Shoes Men’s 8 US, EU 41. Good used condition, a little sole wear and dirt - shown in photos. Grey and black upper coloring in smooth material and mesh, laces up front. Please see photos and condition. “HFS is a high performance road running shoe that’s so comfortable you’ll wear if for pretty much everything else you do. Super lightweight so you’ll feel like you’re flying down the road. And with a new tire tread-inspired outsole, you’ll feel secure even if you go off road.”