RAB says about the Aeon LT 5
Lightweight, low profile, and stable belt pack ideal for fast paced mountain days, built with the ventilated Air Contour™ lumbar pad. Keep your upper body free, stash all the essentials and press on with the ascent.Lightweight and breathable Air Contour™ lumbar padPre-curved shape for enhanced fit and comfortInset single sided buckle adjustment with comfortable padded protectionDual zipped compartments for organised storageExternal mesh stash pockets for quick access to items4 small webbing tabs allow you to add additional storage optionsLight loopFeatures an internal security pocket