RAB says about the Muon ND 40
For fast-moving hikers covering long distances with lighter kit, this women's/narrow fit 40L pack features easy-access roll top entry. With tough, ultralight Spectra® Ripstop fabric and close-fitting TRI-FLEX™ carry system for all-day comfort.TRI-FLEX™ carry system is light and stable with wrap around harness construction for optimal comfortShaped lumbar pad and supportive hipbelt provides comfort on long daysForward pull hipbelt for easy adjustment and stabilityRoll top closure allows pack to expand and compress as your kit changesTop compression strap helps to stabilise the load2 harness pockets and 2 large side stash pockets provide on the go storageLarge front stash provides quick-access extra storageUltralight compression; lower straps ideal for carrying extra equipmentLarge external and internal zipped pockets for secure storageCollapsible and Z folding pole carry compatible3 litre H2O bladder sleeve with dual exit optionWebbing ladder on pack body for additional storage