Simms Flyweight Backpack Color:Smoke the Gen 3 does NOT

the Gen 3 does NOT pair with the Gen 2

bio-based frames

the ambidextrous Headwaters Sling Pack divides

Inner liner with graduated markings for reference when mixing your favorite beverages

Made with a polyester and spandex blend

Simms Flyweight Backpack Color:Smoke the Gen 3 does NOTDesigned for far ranging anglers who thrive on fast, light progress, the Flyweight Backpack is the all day on water gear hauler that puts you comfortably in control. Product Features: Lightweight, ultra durable and water resistant 150 denier robic nylon fabric with HDPE yarns built for years of abuse The main compartment can be accessed two ways via front zipper or top access zipper and secure buckle Interior sleeve for hydration bladders up to 2L