Design PhilosophySerious adventures require serious kit and that’s where GV500 comes in. This new super light, packable insulator deploys primaloft gold insulation, sandwiched between incredibly light, yet durable windproof shells to offer warmth in cold evening or early morning starts. Easily stashed away in one of the and pockets, this is the perfect companion for multi day bike packing missions. PrimaLoft® Gold Active InsulationPrimaLoft® Gold Active insulation boasts class leading warmth to weight ratio, tiny pack size, water-repellency, 4 way stretch and superb breathability, making it the ultimate insulation for on-bike-wear.