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Black Diamond
Magnum 16L Backpack

4.380952380952381 out of 5 stars
21 Reviews

Out of Stock

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Magnum 16L Backpack

Whether you're exploring a slot canyon or hiking around an alpine lake, you'll be happy to have the Black Diamond Magnum 16L Backpack on your back. This lightweight pack loves nothing more than high-paced adventures, so stuff in your puffy, grab your lunch, and take it for a spin. The contoured shoulder straps and OpenAir back panel allow air to flow between you and the pack so your sweat can evaporate as you hike, while the chest strap and removable hip belt hold the pack in place. Multiple pocket sizes and configurations limit the time you spend searching for small items, so you can reapply your sunscreen and get back to the trail faster.


  • Lightweight pack for single-day adventures
  • OpenAir back panel increases airflow
  • Removable hip belt provides extra support
  • Stretchy side pockets keep your water bottle close
  • Compatible with hydration reservoirs
  • Bike light slot helps keep your vision clear
  • Item #BLD00S2
210D nylon ripstop, 400D nylon twill
16L (976cu in)
Shoulder Straps
Waist Belt
Hydration Compatible
1 main, 1 internal, 2 side, 1 front
Ice Axe Carry
Trekking Pole Carry
Claimed Weight
1lb 1oz
hiking, travel
Manufacturer Warranty
1 year

Overall Rating

4.5 based on 21 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 1 reviews
3 Stars - 0 reviews
4 Stars - 6 reviews
5 Stars - 13 reviews

What do you think about this product?


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4 out of 5 stars

April 6, 2024

Nice size, back is not ideal

It's a nice size pack that fits comfortable on the shoulders. The only complaint is that the padding on the back does not keep its shape and easily bends which means it does not stay flush against your back. And the water bottle holders could use to be a little deeper since if you use just plastic water bottles, they easily fall out.

Sarah T.

Originally reviewed on

5 out of 5 stars

July 7, 2023


I love this backpack so much. I use this backpack every day and I love it so much and have no regrets about buying it. It was so worth it! I would purchase 100 more!

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Landon H.

Originally reviewed on

5 out of 5 stars

July 6, 2023

Love this Pack

Love this pack so far. Purchased for an upcoming trip to use as a daypack while bagging 14ers in Colorado. It’s the perfect size. Love that it’s hydration compatible and the stretchy nylon strapping on the back is a perfect place to secure those extra layers of clothing that get shed during a hike. Super happy with this purchase!

William G.

Originally reviewed on

5 out of 5 stars

July 6, 2023

Awesome day pack

This pack is perfect for a day trip, whether it’s biking, hiking, climbing, or more. The straps and backing are super breathable so you don’t end up with a sweaty back. 10/10 recommend.

Alex B.

Originally reviewed on

5 out of 5 stars

July 2, 2023

great product

I have bought this bag a few days ago. I used it for hiking and camping, I am totally satisfied with this product quality, usefulness

zuna n.

Originally reviewed on

4 out of 5 stars

July 1, 2023

Good, needs a few things

I wish there were more clips/adjustability for add ons or storing outside the bag. Side pockets need a way to hold bottles in better (tapered or drawstring). Overall, grey bag, performs as expected!

Jackson M.

Originally reviewed on

5 out of 5 stars

April 24, 2023

Featherweight comfort

Excellent light weight backpack. I don’t know about long term durability, but I think, used correctly, this is a great purchase.

Jonathan C

Originally reviewed on

4 out of 5 stars

February 13, 2023

Great small pack

I’m really happy it’s the pack, only reason I didn’t give it 5 stars was the side bottle holders aren’t quite deep enough to hold bottle.

Karl M.

Originally reviewed on

5 out of 5 stars

July 17, 2022

Awesome Pack

I had the old Bullet pack and needed an upgrade. Wow, this is a true upgrade! Worn this skiing 4 times now, with bladder in pack. Contoured shoulder straps are excellent, no movement and chest strap keeps everything in place. Carried extra gloves for my son and food, small water bottle on outside strapped in. Taking off my inside layer and using the bungee straps kept it close enough and secure. I like the 16 size as this can definitely cover as a summit pack as well. Cant say enough good things about this back, hit it out of the park again BD!

Paul B

Originally reviewed on

4 out of 5 stars

June 2, 2022

Great day pack

This pack has been great. It’s extremely water resistant, dare I say fully waterproof. It has a simple functional design. An improvement would be one of the side stash pockets redesigned to better hold a water bottle.

Amanda D.

Originally reviewed on