Camelbak39s low rider packs are designed to give you maximum stability during aggressive downhill rides the lumbar design keeps your water and cargo stowed low and close to your waist its a small change but it makes a huge difference a lower center of gravity gives you more stability on bumpy trails and lets your upper body move more freelythe skyline is a full featured mtb pack designed to keep your gear organized with a 3 liter crux reservoir helmet hooks compression webbing for stori