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GORUCK & Carryology’s Ultra-Tough Bag Collab Sold Out Immediately — But Now It’s Back

The Kaidan 3.0 Ultra Collection, comprised of five bags made with “the world’s strongest fabric,” is now at Huckberry.

goruck and carryology kaidan ultra collectionCarryology

By Sean Tirman

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Back in mid-December of 2023 (just a few short weeks ago), GORUCK and Carryology — two of the biggest brands in the bag industry, the former a manufacturer and retailer and the latter a well-known product site (and the sister site of Bellroy) — dropped the third iteration of their extremely popular Kaidan collection. Called the Kaidan 3.0 Ultra Collection, this set of backpacks, duffels and accessory packs sold out almost immediately.

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If you missed it the first time around, however, you’re not entirely out of luck. Turns out, the collection just dropped on Huckberry, one of our favorite men’s online retail sites. But if you want to snag even a single piece from this set of packs made from “the world’s strongest fabric,” you’ll want to act quickly, as they’re highly likely to sell out almost immediately once again.

Products in the Guide

  • GORUCK x Carryology Ultra Kaidan GR1 Backpack 21L

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  • GORUCK x Carryology Ultra Kaidan GR1 Backpack 26L

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  • GORUCK x Carryology Ultra Kaidan Kit Bag 32L

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  • GORUCK x Carryology Ultra Kaidan Bullet Backpack 18L

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  • GORUCK x Carryology Ultra Kaidan Shadow Pocket

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It’s Challenge Sailcloth’s Ultra fabric that makes these bags so special

If you know anything about GORUCK or Carryology, it’s probably that both brands make some of the most well-designed bags and packs around. Really, anything you might buy from either brand is probably among the best out there. So, what helps set this collection apart, exactly? The fabric.

goruck and carryology kaidan ultra collection
The fabric used to make these bags is the toughest in the world, 15 times stronger than steel by weight.
Carryology

Challenge Sailcloth’s Ultra fabric, which was used to make every single bag in this collection, is — in the manufacturer’s own words — “the highest-performing line of UHMWPE composite fabric in the world.” If you thought Dyneema was the strongest fabric in the world, you’re not wrong. This is a version of that same stuff, just not under the Dyneema brand name (like how Kleenex are tissues or Band-Aids are adhesive bandages). However, this version of that fabric is actually woven instead of laminated, giving it a better overall feel that lacks the “crinkliness” of typical Dyneema.

That means these bags are made from a material that’s about 15 times stronger than steel by weight, naturally water-resistant and incredibly lightweight. Even if the bags were poorly designed (which they most definitely are not), they’d still probably be noteworthy just by their construction alone.

These bags were made for rigorous travel, but they’re also great for everyday carry

As was the case with the 1.0 and 2.0 Kaiden collections, the Kaiden 3.0 collection was specifically engineered for travel and, more specifically, adventure. As is perhaps obvious, a part of that is the incredibly tough fabric that makes up the bags’ construction. However, it also applies to their design.

goruck and carryology kaidan ultra collection
Didn’t think GORUCK’s GR-series bags could get tougher? Think again.
Carryology

That means the collection covers a wide range of sizes — as big as 32L to as small as 3L — and styles. On Huckberry, you’ll find the GR1 21L and GR1 26L backpacks (based on GORUCK’s famous packs with their bombproof laptop compartments), the Kit Bag 32L (which is akin to a duffel bag), the Bullet 18L (a dual-compartment daypack-style backpack) and the Shadow Pocket 3L (an accessory pouch).

Here’s the real kicker: Carryology did the math and there’s up to a whopping 46,656 different combinations that can be made with the full collection of bags. While Huckberry’s stock doesn’t include the GR2 26L, that still leaves thousands of possibilities, whether you’re jet-setting around the globe or just commuting to and from work.

Even the zippers and hardware are exceptional

Having an ultra-tough fabric isn’t going to mean much if the in-between bits are lacking, which is probably why this collection also includes YKK AquaGuard watertight zippers and super-tough zipper pulls, full-grain leather grab handles and more.

goruck and carryology kaidan ultra collection
Every single detail, inside and out, was carefully considered to make these bags unbeatable.
Carryology

Just remember, these bags are definitely going to sell out, just as they did when they were first released. If you hope to grab any of them, you’ll want to buy them ASAP.

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