filson large rucksack otter green

An update to a timeless classic.

Filson Rugged Twill Large Rucksack – Built for a Lifetime

The Rugged Twill Large Rucksack represents Filson’s 125-year commitment to uncompromising quality, premium materials, and long-lasting craftsmanship. First introduced over 30 years ago, this iconic design remains a testament to doing things right—built to endure daily use and to be passed down, not replaced.

Constructed from industrial-strength Rugged Twill, this rucksack offers exceptional abrasion resistance. Sourced from one of Britain’s oldest mills, the fabric is lightly waxed to protect your belongings from moisture and the elements. Premium Italian cow leather reinforces key areas, including the shoulder straps, and is vegetable-tanned over several weeks to create a durable yet supple finish that develops character and molds to your body over time.

Functionality meets thoughtful design: the rustproof heavy-gauge YKK® brass zipper extends down the sides for easy access and is protected by a large storm flap. Two expandable front pockets with snap closures provide extra storage, while custom sand-cast brass hardware adds durability and a refined finish.

Even the hidden details are built to last, including a sturdy leather grab handle and Tin Cloth binding on interior seams to prevent fraying and wear.

Key Features

• Durable, lightly waxed Rugged Twill construction

• Premium vegetable-tanned Italian cow leather

• Two expandable front pockets with snap closures

• Full-width rear stow pocket

• Custom solid brass hardware

• Main compartment with YKK® brass zipper

• Reinforced interior seams for added durability

Material: 100% cotton Rugged Twill + Italian cow leather

Dimensions: 18.5” H x 15” W x 6” D

Capacity: 33L

Usage: Everyday, outdoor

Care: Wipe or brush clean