The 20L Rucker 4.0 - GORUCK x Arnold’s Pump Club features a black design, red and white patch, front zipper, and horizontal webbing—perfect for rucking or carrying your Arnold’s Pump Club essentials.

A sleek black Rucker 4.0 from GORUCK, featuring an open zipper that reveals a vibrant orange interior with padded compartments ideal for fans and a handy mesh pocket.

20L Rucker 4.0- GORUCK x Arnold's Pump Club

$427.00 CAD

Get in shape with every step. Add more weight as you get stronger (and you will get stronger)
The most versatile rucksack in the world. Carry anything you need: weight, water, and your gear
The Rucker 4.0 is built to last with Special Forces-grade materials, and backed by our Lifetime Guarantee

Size: 20L 20L

Product variants

In stock
Inventory on the way

ZERO IRRITATION WHEN RUCKING

Say goodbye to friction burn. 210D HT (High Tenacity) CORDURA® on the back panel and underside of the shoulder straps is less abrasive and doesn't irritate skin or chew up delicate apparel.

ERGONOMIC LUMBAR SUPPORT

An extra 10mm of EVA foam padding at the bottom of the back panel supports your spine’s natural curve. It’s raised to reduce friction from seams, and even if it’s against bare skin, it won’t rub you the wrong way.

EXTRA PADDED STRAPS

The shoulder straps and top handle are extra padded so you can carry the weight more comfortably. Our dual-density foam will not collapse under the pressure.

ELEVATED RUCK PLATE POCKETS

The elevated plate pocket keeps the weight high and secure on your back, which is the preferred method for Rucking. This will help prevent any injuries or friction on your back.Both 20L and 25L Ruckers feature 2 elevated plate pockets, one that holds 20LB or 30LB (Standard) Ruck Plates and one that holds a 45LB Plate, 20LB (Long), or 30LB (Long). This means your rucker can hold up to 75 lbs of weight.The 15L Rucker has one plate pocket that fits a 10LB, 20LB, or 30 LB Ruck plate.

Developing Rucker 4.0

The problem we’ve run into is happening on our own driveways. After you do your buy-in ruck, then push-ups, it’s time to take your ruck off and do flutter kicks. My friends lack discipline to control their gear (Chris, Matt — looking at you). You slam your Rucker on the concrete, and there’s a Ruck Plate in it. Of course you set it down, front panel first because that’s easier, and it’s concrete. So you have three zippers that will eventually get crushed, over time. Gravity + USA Cast Iron Ruck Plate + Concrete >> we can’t build better zippers to withstand this. Nobody can. Then you grab it again, and push it above your head and do your flutter kicks. With the Rucker 4.0, we’ve kept the main zip because it’s not under threat from the concrete, but we removed those internal zippers so there’s less to go wrong, or to fail. We put enormous pull tabs on the Velcro-closure interior pockets so you can work them even with gloves on, even when it’s cold out.

And we took a lesson from the Ruck Plate Carrier and beefed up the top padding of the interior Ruck Plate Pocket for when it’s time to do bear crawls or burpees and the ruck will naturally slide forward a bit on your back. More padding is a better solution.

We hope you enjoy the comfort this extra padding provides so you can find discomfort in other ways. And we hope the added resilience to your Rucker 4.0 by making it even more of a purpose-built tool keeps you in the fight for all the days, weeks, and months of every year for the rest of your life.

Jason McCarthy, GORUCK Founder

Scars Lifetime Guarantee

All GORUCK built gear, apparel, and footwear — everything we manufacture — comes with our Scars Lifetime Guarantee.

1% for Those Who Serve

As an American business with Special Forces roots, we at GORUCK are proud to donate 1% of our annual top line revenue to various non-profit partners who support those who serve.

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