Decathlon MT 900 70+10 Backpack Review: Big Capacity, Heavy Weight, High Price

Introduction

The Decathlon MT 900 70+10 is an 80-liter hiking backpack priced at $210, and it arrives with an unusually long feature list: ten pockets, a floating lid, dual loading, and rigging points across nearly every panel. After roughly 125 miles of trail time with a loaded pack, the picture is clear. This is a well-built backpack with excellent organization that asks a lot of money for a design that feels dated in two important areas: weight and harness comfort.

That combination raises a fair question for anyone shopping in this size class. Is $210 the best use of your budget, or does the money go further somewhere else?

Who This Backpack Is For

This pack makes the most sense for hikers who care about organization above all else. Ten pockets, a large pleated side pocket on each side, a lid pocket, a mesh pocket inside the front panel, and a pair of angled water bottle holders mean almost everything has a home. If you prefer separating gear into dedicated compartments rather than digging through one large space, the MT 900 70+10 is built for that preference.

It also suits anyone who wants the option of loading and unloading from more than one direction. The pack opens from the top and from the front, which is genuinely useful when you need a single item from the middle of a full load.

Where it stops making sense is heavy loads. Hikers who routinely carry more than 35 pounds will find the harness runs out of support. That is a real limitation for an 80-liter pack, since large volume usually goes hand in hand with heavy loads.

Main Strengths

The strengths here are concentrated in construction and features rather than in carrying comfort.

Build Quality and Organization

Build quality is excellent. Fit and finish are clean throughout, stitching is consistent, and there are no loose threads anywhere on the pack. That is worth noting, because even premium brands sometimes ship small finishing flaws, and this pack does not.

Organization is the headline. Ten pockets cover the lid, the sides, the waist belt, and the inside of the front panel. Zippers come from YKK and run smoothly, and the main lid pocket uses dual zipper pulls. Inside the top of the lid there is an additional zippered compartment, and the back of the lid holds a dedicated zippered compartment for a rain cover.

Loading and access are equally well thought out. The lid floats, so you can raise or lower it and cinch it down over a full load, and a shock cord on top adds quick external storage. The front panel unzips and the hook-and-loop closure breaks open, giving direct access to the middle of the pack. Three compression straps inside the front panel help hold a loadout in place, and a hydration sleeve with a hook sits at the top, with the hydration port positioned on the right side when the pack is worn. Both sides carry two compression straps, a long pleated zippered pocket that stretches as it fills, and an angled water bottle holder with a draw cord. Having a slanted bottle pocket on both sides is unusual and welcome.

Comfort and Load Carrying

Comfort is adequate as long as the load stays under 35 pounds. Below that mark the pack carries reasonably well, and the torso length and waist belt are both fully adjustable, so a wide range of body types can get a workable fit. Load lifters, a fully adjustable sternum strap with an integrated emergency whistle, and padded harness straps round out the contact points, and the harness includes extra buckles and loops for hanging gear.

Ventilation is adequate for a pack this size, helped by recesses down the middle of the back panel and a larger recess between the padding and the lumbar support. Two aluminum stays form the frame, and the waist belt is fully adjustable with two zippered pockets.

Things to Consider Before Buying

Two issues deserve attention before you commit to this pack, and both are structural rather than cosmetic.

Weight and Materials

The main body is 600 denier polyester with a polyurethane coating, which is a durable combination. It is also the reason the pack weighs six pounds. For an 80-liter backpack, that is very heavy. Comparable packs in this volume class typically land around four and a half pounds, and the difference is obvious the moment you pick it up. External dimensions are 30.3 inches tall, 19 inches wide, and 15 inches deep, and the pack comes in gray and black.

Polyester construction is normally associated with lower pricing, because the material costs less than nylon. At $210, this pack is priced as though it used more expensive materials while still carrying the weight penalty of polyester.

Harness Adjustability and Comfort Limits

The torso adjustment system is the second concern. Adjusting it is a chore rather than a quick field fix, and it reflects a design approach that many manufacturers, including Decathlon itself, have moved away from.

Padding is uneven in practice. The shoulder straps are wide but not especially thick or soft, and the waist belt is soft enough that it gives too much under load. Combined with the harness design, this means comfort holds up below 35 pounds and falls off above it. That is a meaningful trade-off for a pack with this much capacity, since the volume invites heavy loads.

A few smaller points are worth knowing. There is no dedicated sleeping bag compartment and no bottom zip, so sleeping bags travel in the main body. The two waist belt pockets are very small, and once the belt is fastened they are awkward to reach and use. The gear loops at the base are handy for trekking poles, and the webbing across the front gives plenty of options for attaching items externally.

Buying Advice

At $210, this pack sits close to top-tier pricing without matching top-tier comfort. The strongest argument against it is that the same money, or less, can buy a more comfortable carry. A comparably sized Osprey Atmos AG 65 can often be found on sale, and it handles weight more comfortably than the MT 900 70+10. Decathlon also offers other packs in its own range at lower prices with more modern adjustment systems.

That said, price alone should not decide it. If you value a large number of pockets, dual loading, and extensive rigging options, and your typical load stays comfortably under 35 pounds, this pack delivers those things with genuinely good build quality. Before buying, confirm the torso adjustment range suits your measurements, weigh your usual loadout to see where it lands relative to 35 pounds, and decide whether pocket count or carrying comfort matters more to you.

Conclusion

The Decathlon MT 900 70+10 is a capable, well-made backpack with an exceptional feature set and clean construction. It is also six pounds, uses polyester at a price where nylon would be expected, and its harness runs out of comfort above 35 pounds. For lighter loads and organized packing, it works. For heavy loads, or for shoppers who want the most comfortable carry per dollar, there are better options at the same price or less.