Aqualung

Aqualung Dimension BCD

Back-inflation, weight-integrated BCD with abrasion-resistant ResisteK fabric and an adjustable Wrapture harness for an all-around recreational fit.

Aqualung Dimension BCD
3.9Comparison Score
$699
Buy on AmazonBuy on Scuba.com
Released—
Styleback inflation
Weight-integratedYes
Lift capacity42 lbs
Backplatenone
D-rings8
Trim pocketsYes
MaterialResisteK fabric
Travel-friendlyNo
Dry weight3307g
Fitmens
SizesS–XL

"Lift capacity" is the manufacturer-rated buoyancy the wing/bladder can provide at the surface. Match it to your exposure suit, tank, and weighting, not the biggest number available.

Pros
  • ResisteK fabric resists fading and abrasion from repeated saltwater and chlorine exposure
  • Wrapture harness with swiveling shoulder buckles adjusts to a wide range of body shapes
  • SureLock II single-pull weight release simplifies emergency weight ditching
Cons
  • Manufacturer spec sheets don't publish an exact BCD weight, making travel comparisons harder
  • Back-inflation-only design offers less surface-float trim than jacket-style models for some divers
  • No rigid backplate, so divers running heavier gear configurations may want more structured support
Diver community sentiment
Mostly positive

Across multiple Scubaboard threads, divers consistently praise the Dimension's comfort (well-padded lumbar support, easily dialed-in fit) and build quality, with one diver reporting 200+ trouble-free dives. The most-cited complaints are mechanical/design quirks rather than comfort failures: a low tank strap and tank-valve positioning some worried could hit the diver's head, non-removable trim pouches, no carry handle, and (on the i3 variant) a learning curve retraining muscle memory for the combined inflate/deflate lever. No thread suggested outright product failure or widespread returns.

Scubaboard: Dimension i3 comfort/build reviewScubaboard: 200+ dive owner reportDeepBlueDiving: Dimension i3 review

Summarized from public forum discussion (Scubaboard, Reddit, and similar), not a survey we ran ourselves. See the linked threads for the original conversations.

The Aqualung Dimension is a back-inflation, weight-integrated BCD aimed at recreational divers who want an adjustable, all-around fit rather than a jacket-style wraparound. It uses Aqualung’s Wrapture harness for a customizable shoulder and torso fit, ResisteK fabric for abrasion and fade resistance, and a SureLock II single-pull weight release. It ships in five sizes (S–XL) with lift capacity scaling from 29 lb in Small to 42 lb in Medium and up.