The streamlined Muon 50 pack from Rab is designed for fast-moving hikers covering long distances with lighter gear, featuring ultralight Spectra Ripstop fabric and a close-fitting Tri-Flex carry system for all-day comfort. This tough pack can be stripped of its lid to shed weight, making it perfect for those who need to adapt quickly to changing conditions. Ideal for long hikes, it offers excellent stability and comfort with a shaped lumbar pad and supportive hipbelt. 100D High Tenacity Nylon with Spectra Ripstop for durability and lightweight performance Tri-Flex Carry System for light and stable support with wrap-around harness construction Shaped Lumbar Pad and Supportive Hipbelt for comfort on long days Forward Pull Hipbelt for easy adjustment and stability Removable Lid with internal and external pockets for versatile storage Drawstring Closure allows the pack to expand and compress as needed Top Compression Strap helps stabilize the load Two Harness Pockets and Two Large Side Sta