the OMM Classic 25 (Previous generation)

OMM Classic 25 – lightweight, reliable backpack for endurance adventures
(Previous generation)

The OMM Classic 25 is an iconic and proven backpack that combines simplicity, function and reliability. It is used worldwide in Mountain Marathons, ultra running, extreme races, cycling, hiking and skiing – and has even accompanied you on ascents of Mount Everest. A backpack designed for those who place high demands on weight, fit and accessibility in motion.

Developed for movement and long days
The Classic 25 has OMM's active fit, which means that the backpack sits stable and compliant against the body even at high intensity. With cleverly placed pockets and OTMA – On-Move Accessibility, you have quick access to equipment without having to stop.

Leanweight system for maximum flexibility
The backpack is equipped with a removable Duomat back plate, which makes it possible to reduce the weight to LEANWEIGHT mode. The Duomat also functions as a sleeping pad or seat pad, perfect for competitions and minimalist tours.

Features in focus
UGR – Universal Gear Rail for flexible gear mounting

EVA padded shoulder straps for comfort

Quick release system for quick access

Reflective details for increased visibility

Zipped top pocket + multiple zippered pockets with stretch mesh

Adjustable chest strap with integrated whistle

Compatible with hydration systems (over or under shoulder hose)

OMM Link System – compatible with Go Pod & Chest Pod

Key hook in both top and waist pocket

Technical specifications
Volume: 25 liters

Full weight: 670 g

LEANWEIGHT: 540 g

Back length: 45 cm

Back plate: Duomat (removable)

Pockets:

2 zippered

2 mesh side pockets

1 mesh front pocket

2 flap pockets

Compression: Adjustable + compatible with Leanweight Compression Kit

Material: 210T / HTTF

One proven choice for demanding use
The OMM Classic 25 (previous generation) is an excellent choice for those looking for a lightweight, durable and versatile backpack for intensive activities where every gram and every detail counts.