REI Co-op Ruckpack 40 is a well-reviewed travel pack built from recycled materials. Here's how its spec sheet compares to IronBackpack Pro 45L.
In this guide:
REI Co-op Ruckpack 40 — What It Offers
- 40L capacity (also available in 18L and 30L)
- Recycled nylon shell and recycled polyester lining, DWR finish without PFAS
- Weighs approximately 2 lb 11 oz-2 lb 13 oz
- Zip-away shoulder straps for a streamlined, travel-friendly profile
- Includes a stowable rain cover
- Price: $159
Side-by-Side: Ruckpack 40 vs IronBackpack Pro 45L
| Spec | REI Co-op Ruckpack 40 | IronBackpack Pro 45L |
|---|---|---|
| Capacity | 40L | 45L |
| Material | Recycled nylon/polyester, DWR | 900D high-density polyester, water-resistant |
| Weight | ~2 lb 11-13 oz | Not independently weighed |
| Straps | Zip-away for travel | Fixed, opens flat to 180° |
| Includes rain cover | Yes | No — water-resistant coating instead |
| Price | $159 | $99.95 |
Prices and specs reflect each brand's own listings at the time of writing and can shift with promotions or model updates.
Bottom Line
REI Co-op Ruckpack 40 is built for travelers who want a streamlined, zip-away-strap profile and recycled materials. IronBackpack Pro 45L is built for training-first daily carry: a bigger dedicated 17" laptop sleeve, a pack that opens flat for locker-room speed, and a lower price.
Shop the IronBackpack Pro 45L — $99.95 →
Comparing more premium alternatives? See Peak Design 45L Backpack Review, or check the full spec breakdown in our 45L Backpack Buying Guide.
FAQ
Is the REI Co-op Ruckpack 40 good for the gym?
It's designed primarily as a travel pack with zip-away straps for a streamlined profile, rather than compartments built around gym gear.
Does IronBackpack Pro 45L include a rain cover like the Ruckpack 40?
No. IronBackpack Pro 45L relies on a water-resistant coating instead of a separate rain cover.
Which has a bigger laptop compartment?
IronBackpack Pro 45L, with a 17" sleeve, versus a smaller compartment in the Ruckpack 40.
What's the price difference?
IronBackpack Pro 45L is $99.95; the REI Co-op Ruckpack 40 is $159.
Train hard. Carry more. Pay less.
Shop IronBackpack Pro 45L — $99.95 · See all backpacks
