OUR AWARD-WINNING DESIGN EXCELS AT SPEED ON A VARIETY OF SURFACES. This innovative shoe is built to make you faster whether on trailing runs or race day. The Boa® Lacing System dials you in for a glove-like fit. This unique technology provides advancements in precision, durability, convenience and comfort that is guaranteed for the life of the shoe and the many miles of your race. Reflective Trim Boa Technology® Closure w/Power Zone Weight: 11.9 oz. (337g) Outsole: Vasque Aether Last: Arc Tempo