Won these trail shoes at a post-race running store raffle but aren't quite right for my feet... I'm a Brooks person. I tried them on once at the store but they haven't been worn since. Hopefully you can get some good miles from them! Best For: Trail Run Color: White Ash/Sulphur Spring Green Style: NF0A8AEM7UM Size: Mens 9.5, Womens 11 Lighter. Faster. Further. The Summit Series VECTIV™ Sky 2 are the lightest trail-racing shoes in the VECTIV™ line. They have full-length VECTIV™ 3.0 carbon-fiber propulsion plates along with our proprietary DREAM nitrogen-TPU midsoles and SURFACE CTRL™ high-traction outsoles for top-level performance on any terrain whether you’re training or racing. Benefits: Cushioned - Lightweight superfoam for unparalleled cushioning. Stable - Heel-positioning technology provides improved stability on uneven terrain. Grip sole - Rubber compounds deliver grip, traction and durability on both wet and dry surfaces. Technical Trail Tracks - Exceptional traction and protection on technical terrain.