The Torzonic Jacket is a well thought out waterproof a well designed waterproof with plenty of high-end features. Mountain Hardwear have managed to keep the weight to a minimum by carefully selecting the fabrics used.
Mountain Hardwear says:
Light, stretchy, durable, and smart—the Torzonic™ combines carefully mapped Dry.Q® Elite fabric with Dry.Q® Active Stretch fabric to enhance comfort and performance while remaining lightweight. Ideal for alpine climbing, backpacking, and any wet weather outdoor pursuit