While on your back, the SteamboatZS carries like a fully supported backpack leaving your chest unencumbered and giving clear line of sight for rock-hopping. Perfect for spey and switch casters. An ideally placed thumb-loop allows easy “slinging” back-to-front to grab any necessities. A large main compartment easily holds a light rain jacket, lunch and boat box. A middle box pocket with divider holds4 large fly boxes and a sleek face pocket organizes all of your accessories. Includes four Zero Sweep™ retractor stations, two Zero Sweep™ tool sheaths and a Zero Sweep™ foam fly patch station to round out this gear hog of a sling.