Arc'teryx ultra light trail shoes in the colors Whiskey Jack/Electrolyte. Brand new, never been worn. They are just a half size too small for me. These shoes are an ultra light weight trail running shoes. From the website: At 160 grams, the Norvan SL is one of the lightest trail running shoes ever developed. It features a highly breathable, exceptionally hydrophobic, hardwearing TPU mesh upper that easily folds down for compact packability. Designed to perform across a range of terrains, the Vibram® outsole with Megagrip rubber compound provides enhanced grip on wet or dry trails.