Your pack is as important as your shoes. It carries your water, food, phone & safety gear. We searched for a packs that fit so well you forgot it was there, that allowed air flow and wicked sweat to keep you cool and that was designed to allow access to all pockets (front and back) on the move even if you're not a contortionist.
Ultraspire is it, the design, materials and manufacturing are driven by passion and a refusal to compromise. In this world, when you find a company that always puts better before bottom line, expect to see something rare and truly exciting. These packs, run-belts & waist-lights will change how you experience running.