Prospector 50L

Lightweight men’s backpacking pack for overnight trips

Your pack shouldn’t weigh more than the gear inside, that’s why we engineered the Big Agnes Prospector 50L pack, built in two sizes, men's medium and large, to ensure proper fit and ultralight comfort on the long haul. Featuring a compression molded back panel, contoured shoulder straps, foam padded hip belt, and equipped with a unique Hoist Compression system that pulls the load inward and upward for stability and comfort, this 50L pack include plenty of storage capacity and hydration compatibility for overnight trips. At Big Agnes, we’ve integrated our years of experience, ultralight materials and technical features to deliver a fast and light pack for overnighters, thru hikers and anyone in between who sleeps and plays in the dirt.
$229.95
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100% GUARANTEE:

Our top priority is to provide customer service as stellar as the award-winning products we create. If one of our products does not perform to your satisfaction, contact our customer service team and we will help you find gear that fits your needs.
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Full-Zip Back Panel

To make accessing gear easy and convenient when you’re on the go, this pack features a full-zip back panel giving you a duffel-style access to the pack interior.

Dial in Your Pack Fit

Whether you’re hitting the crag or heading out on a multiday trip, adjusting your pack for maximum comfort and support has never been easier. Find your pack and dial in your perfect fit for faster and lighter trekking.

Find Your Perfect Fit

Specs + Sizing

Features

50L pack with adjustable, lightweight features designed for all-day comfort on the trail and through your extended overnight pursuits 

Comfort and support through contoured, anatomically curved back panel with body mapped foam for a precise fit with ventilation. Full-zip back panel provides duffel-style access to the pack interior 

Secure, comfort fit with articulated Open Range Hip Belt that threads behind the compression molded back panel for positive load transfer to the lumbar, providing stability with flexibility 

Cut-to-fit hip belt provides a tight wrap on hips and eliminates gaps between body and pack. Dual hip belt stabilizer straps allow the upper and lower section of the hip belt to be adjusted separately for a custom fit 

Premium contoured shoulder straps featuring adjustable sternum strap and hydration hose keeper. Load lifter straps allow fine tuning of weight distribution 

Balanced pack weight is achieved through our unique Hoist Compression system that pulls pack weight inward and upward for positive load transfer, while raising the bottom panel up to secure the load 

Cored aluminum perimeter frame, shoulder straps, and hip belt function as a fully integrated suspension system that provides more balance on uneven terrain through a positive load transfer 

Top-loading access to interior with roll-top closure and two side webbing buckle closures that easily adjust with pack volume 

Internal 3L hydration bladder pocket with bladder hook, discreet tube routing port, and hose keeper clip on sternum strap 

Compartmentalized storage includes: hydration bladder pocket, two stretch mesh side pockets, front quick-stash pocket, and front zip pocket with key keeper 

Stash trekking poles on pack exterior using webbing and bungee cord loops. Also features discreet ice axe loop, daisy chain loops on pack exterior for extras, and top grab handle for easy movability 

Includes two color-matched 1.6L removable Hip Pockets for stashing little ditties and a 7L Trash Can for camp trash and collecting litter on the trail

Construction + Materials

Puncture and tear resistant material is made with GRS certified, recycled high-tenacity Mipan® regen robic nylon featuring a solution-dyed ripstop grid and UTS environmentally sustainable coating 

Heavy duty twill fabric bottom for maximum reinforcement and increased durability 

Nylon taffeta lining 

Non-stretchy, semi-transparent interior pocket mesh for optimal organization 

Stretchy, fine woven, anti-snag exterior pocket mesh 

Stretch woven fabric on shoulder straps, hip belt, and back panel provide maximum comfort against the body 

Accessory rain cover - sold separately

Here’s what other people think.

What’s in a Name?

Beginning at the foot of Hahn’s Peak, Prospector Trail is an out and back multi use trail that is popular with hikers and bikers willing to venture into the far northern reaches of Routt County, near the Wyoming border. Extending nearly to the base of Nipple Peak at its western terminus, those who make the journey will enjoy serene meadows, abundant wildlife, and a distinct lack of other people.