Deuter Aircontact Core 50+10 vs Deuter Aircontact Ultra 50+5
Quick take: The Deuter Aircontact Core 50+10 costs $15 less; the Deuter Aircontact Core 50+10 carries more (60 vs 55 liters); the Deuter Aircontact Ultra 50+5 is lighter (2.8 vs 5.09 lbs).
| Spec | Deuter Aircontact Core 50+10 | Deuter Aircontact Ultra 50+5 |
|---|---|---|
| Price | $280 | $295 |
| Rating | — | — |
| Type | Traditional Pack | Ultralight Pack |
| Frame Type | Internal Frame | Internal Frame |
| Capacity | 50+10 L | 50+5 L |
| Weight | 5.09 lbs | 2.8 lbs |
| Max Load | 22-44 lbs (10-20 kg) | 26-33 lbs (12-15 kg) |
| Torso Fit | VariClick 5-stage, 42-62 cm (16.5-24.5 in) | Clip & Loop, 42-62 cm (16.5-24.5 in) |
| Material | 500D PA textured with 235D recycled PA plain weave | 175D PA ripstop Ultra HD |
| Back Panel | Aircontact with Air Spacer mesh and aluminium Y-frame | Aircontact with Air Spacer mesh over spring steel round-profile frame |
| Adjustable torso | Yes | Yes |
| Ventilated back | Yes | Yes |
| Raincover included | No | No |
| Hipbelt pockets | No | No |
| Removable lid | Yes | Yes |
| Hydration sleeve | Yes | Yes |
| Fits BV500 bear can | No | No |
| Warranty | Deuter lifetime repair policy | Deuter lifetime repair policy |
Pros & cons
Deuter Aircontact Core 50+10
- ✓The external aluminium Y-frame transfers heavy loads to the hips as well as anything in the price class, and the 10-20 kg rating is genuinely usable rather than optimistic.
- ✓VariClick gives 42-62 cm of back length in five positive stops, so the fit is repeatable rather than a friction slider that creeps under load.
- ✓A U-shaped front zipper opens the main compartment like a suitcase, which avoids the top-loader problem of unpacking everything to reach the bottom.
- ✓The separate bottom compartment and dedicated wet compartment keep a damp tent or muddy layers away from a dry sleeping bag.
- ✓VariFlex hip fins pivot with the stride instead of staying fixed to the frame, which reduces the rocking that shows up on uneven ground.
- ✓The zip-out 1.5 L bottle holster on the hip fin means water is reachable without stopping or removing the pack.
- ✓The detachable, height-adjustable lid lets the pack shrink for a shorter trip rather than carrying dead volume.
- ✓Deuter's lifetime repair policy covers wear and manufacturing faults on a pack that costs meaningfully less than an Aether 65 or Baltoro 65.
- ✗At 2,310 g (5.09 lb) it is over a pound heavier than a Gregory Focal 58 or Osprey Exos 58 of comparable volume.
- ✗The foam-rib Aircontact back sits closer to the spine than a suspended-mesh panel, so it ventilates less well than Deuter's own Futura Air Trek in hot weather.
- ✗The stated 50 L is only reached with the +10 collar extended; packed to the lid it is closer to a true 50 than the badge suggests.
- ✗No rain cover is included at this price, unlike the Aircontact Pro and the Futura Air Trek.
- ✗The external Y-frame adds bulk that makes the pack awkward as carry-on or in a crowded hut.
- ✗Deuter's US size run is narrower than Osprey's: two men's volumes against the Aether's four.
- ✗The 500D face fabric is durable but heavy, and it is the main reason the pack cannot compete on weight.
- ✗Bear-canister fit is not stated by Deuter, so it should not be assumed for trips that require one.
Deuter Aircontact Ultra 50+5
- ✓1,270 g for a framed 55 L pack puts it in the same weight class as a Gossamer Gear Mariposa while keeping an adjustable back length.
- ✓The 42-62 cm Clip & Loop range is unusual at this weight -- most ultralight packs are sized rather than adjustable.
- ✓A roll-top closure plus removable lid means it can run stripped or fully featured depending on the trip.
- ✓175D ripstop Ultra HD is more durable than the 140D fabric on the heavier Aircontact Lite.
- ✓The spring-steel perimeter frame still transfers load to the hips rather than relying on a foam pad.
- ✓Air Spacer mesh keeps some ventilation despite the reduced back panel.
- ✓Modular gear straps allow external carry without permanent attachment hardware.
- ✓Deuter's lifetime repair policy is rare in the ultralight segment, where cottage brands typically offer far less.
- ✗12-15 kg maximum load is limiting for a 55 L pack, so the volume can be filled past what the suspension handles.
- ✗$295 is expensive next to the Aircontact Lite 40+10 at $220 for a similar load rating.
- ✗The roll-top plus lid combination adds fiddliness compared with a straightforward top-loader.
- ✗Air Spacer mesh over a reduced panel ventilates less than the fully suspended Futura Air Trek.
- ✗The 40+5 has no published weight, making the two sizes hard to compare directly.
- ✗Hipbelt pockets are not listed in the specification.
- ✗Deuter's ultralight range is new and has a shorter track record than the cottage brands it competes with.
- ✗Bear-canister fit is not stated by Deuter.