When Dick Kelty started his company, he built an indestructible pack with plenty of pockets. More than five decades later, The Trekker Pack design persists, resulting in a simple, comfortable, lightweight favorite. . Ample pockets for keeping necessities in reach and great ventilation to keep cool. Adjustable suspension to fit a range of back sizes. External frame makes attaching extras easy. Dual density foam waistbelt is removable for versatility. Top loading simplicity with sleeping bag compartment. Hydration compatible with reservoir sleeve. Zippered side pockets. Spindrift collar. Ice axe loops. Daisy chain. Lash tabs. Key fob. Hold open bar. Large front pocket. Note: SmallMedium pack is Trekker 64 MediumLarge pack is Trekker 65.