This is absolutely perfect. Ease of loading and unloading along with typical Zpacks quality. Fits great and weighs nothing. 

– Mark P., ★★★★★

The Bagger Ultra 25L is an ultralight frameless pack perfect for bagging peaks in the Adirondacks or for carrying around town. Featuring a small and streamlined design, the Bagger can be packed down small as a secondary pack for summit side trips or used as an ultralight minimalist pack for short adventures into the backcountry. The Bagger Ultra utilizes an included, easily removable foam sit pad as a frame and padding against your back.

The perfect ultralight frameless pack for peak bagging, overnighters, and short trips, the Sub-Nero Ultra is a smaller and slightly more stripped down version of our popular Nero Ultra Backpack.

Streamlined to only the most essential features, the Sub-Nero Ultra is great for hikers with dialed in base weights and minimalist kits.

Featuring an included sit pad, an optional webbing belt, and a variety of optional modular add-ons, the highly versatile Sub-Nero Ultra allows you to get the most out of any day, section, or thru-hike.

The Nero Ultra is a compact frameless backpack streamlined to only the most essential features making it great for hikes where less weight and volume is required.

Multiple thru-hikes of the Triple Crown trails have been completed with our Nero series backpacks, helping to prove that smaller volume frameless packs are a legitimate approach to long-distance hiking.

Featuring an optional removable belt, an included sit pad, and a variety of optional modular add-ons, the highly versatile Nero Ultra will allow you to get the most out of any day, section, or thru-hike.