High Sierra Ridgeline Lumbar / Waist Pack Large, top-load main compartment has a CD/MP3 player pocket with PVC headphone port. Zippered front accessory pocket, with key fob, is great for change, I.D. and other small items. Dual-side mesh water bottle pockets. Adjustable compression straps secure gear. Equipped with two 500ml GE Lexan shatter-resistant bottles.