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About Sea Quest Libra BCD with SureLock Weight System, Black

The Libra was specifically designed for women and features sculpted fit and shape. Additionally, many divers prefer back inflation as it provides greater freedom at the front of the BC and excellent stability while diving. For women divers that prefer the more streamlined approach that back inflation can offer, the Libra BC provides the perfect fit. With its curved shoulder straps and swivel buckles, open chest area to reduce restriction and add comfort, rolled neoprene collar the Libra is without a doubt especially made for the lady diver and her comfort. The Libra also boast all the usual features of a quality BCD including standard rear dump, two non-releasable rear weight pockets, three stainless steel D-Rings and much more!

The Libra's patented 3 dimensional buoyancy bag design which is mounted in back of the diver, completely surrounds the contour back pack. This allows excellent transfer of air from side to side for stability and ease of dumping. Storage of accessories is easy with the new drop pocket; hide-away pocket that is fast to deploy and easy to use and attachment of gear is accommodated with the 3 stainless steel pre-bent D-rings. Built to last, constructed of Armor-Shield Cordura, 840 and 420 Denier Nylon. The

Libra uses the time proven Exclusive Sure Lock releasable weight system with a weight capacity of 20lbs (9kg) and has two non-release rear weight trim pockets holding a maximum combined 10lbs (4.5kg). The revolutionary triangular load distribution system in shoulder strap (a Sea Quest exclusive) relieves backpack pressure for ultimate comfort in and out of the water. Buoyancy Control is accomplished with Aqua Lungs Power Line Inflator with an Increased Fill Rate which is now, one of the Highest Air Flows in the Industry. The Power Line is an environmentally sealed unit for less maintenance, has integrated hose clips for attachment to the included 3/8" threaded LP hose for a streamline and low profile. The inflator is equipped with a cable activated rapid exhaust at the top, simply pull down on lower unit to dump air. There is an additional shoulder pull dump overpressure relief valve on the BCD's right shoulder. Lower right side pull dump allows for easy dumping of air if you prefer head first descents or when you are in the swimming position.

The BCD's harness assembly consists of torso adjustable shoulder and removable sternum straps along with an adjustable waist strap. All straps are equipped with squeeze-style" side-release buckles for easy donning and doffing. BCD comes equipped with multiple accessory attachment grommets for quick attachment of a BCD knife. The Libra BCD provides 30lbs to 40lbs (13.6kg to 18.14kg) of lift depending on the BCD size. BCD comes with an owner's manual and is covered by a limited lifetime warranty.

Warranty Information

This product has a limited warranty of 24 months.

Sea Quest Libra BCD with SureLock Weight System, Black Features

  • Sea Quest Libra BCD
  • Specifically Designed for Women and Features Sculpted Fit & Shape
  • Experience Extremely Comfortable Diving
  • Back Inflator Design
  • Greater Freedom of Movement and Lower Profile
  • Rear 3-Dimensional Bladder with Patented Harness System
  • Exceptional Support and Load Distribution
  • Best in Fit & Comfort in Streamlined Package
  • Exclusive Sure Lock Releasable Weight System:
    Releasable Weight Capacity: 20lbs (9kg)
    Non-Release Rear Weight Trim Pockets: Capacity 10lbs (4.5kg)
  • Revolutionary Triangular Load Distribution System: Shoulder Strap, Relieves Backpack Pressure
    Ultimate Comfort In-and-Out of Water
  • Fold Down Zippered Pocket
  • 3-Bent Stainless Steel D-Rings for Attachment of Accessories
  • Swivel Buckles at Shoulder Straps for Custom Fit & Feel
  • Contoured Shoulders Curve Away More Rapidly, Removing Pressure from Breasts
  • Comfortable Rolled Neoprene Collar Won't Chafe Neck
  • Aqua Lungs Power Line Inflator:
    Increased Fill Rate
    Highest Air Flows in Industry
    Environmentally Sealed Unit for Less Maintenance
    Integrated Hose Clips for Attachment of LP Hose
    3/8" Threaded LP Hose Included
    Streamline and Low Profile
    Cable Activated Rapid Exhaust
  • Shoulder and Lower Right Pull Dump Overpressure Relief Valves
  • Harness Assembly:
    Torso Adjustable Shoulders
    Sternum Strap
    Adjustable Waist Strap
    All Straps Equipped with Squeeze-Style" Side-Release Buckles
    Easy Donning and Doffing
  • Multiple Accessory Attachment Grommets for Quick Attachment of BCD Knife
  • Construction: Armor-Shield Cordura, 840 and 420 Denier Nylon
  • Lift Capacity: 30lbs to 40lbs (13.6kg to 18.14kg)
  • Color: Black
  • Owner's Manual
  • 2-Year Limited Warranty

Sea Quest Libra BCD with SureLock Weight System, Black Specifications

BC Body
Back Inflator
Buoyancy Bag
30lbs to 40lbs (13.6kg to 18.14kg)
2-Overpressure Relief/Pull Dump, Inflator Cable Activated Shoulder Pull Dump
1-Zippered Pull-Down
Stainless Steel Rings
Yes, 3-Pre-Bent
Waist Strap
Yes, with "Squeeze-Style" Side-Release Buckle
Chest Buckle
Yes, Adjustable Sternum Strap with "Squeeze-Style" Side-Release Buckle
Oral Inflator
Yes, Aqua Lungs Power Line Inflator
Armor-Shield Cordura, 840 and 420 Denier Nylon
Weight Integrated
Weight Capacity
Releasable: 20lbs (9kg), Non-Releasable: 10lbs (4.5kg) Size Dependent
Available in the Following Sizes:
Medium Large, Small
Weight [with packaging]
Medium Large: 6.8 lb,
Small: 8.2 lb
Mfr #
Seaquest Libra BCD with SureLock weight system Size Chart
  Small Medium Medium/Large
Height 5'2"-5'7" 5'7"-5'10" 5'10"-6'0"
Weight (pounds) 120-155 150-165 160-190
Chest (inches) 34-40 39-45 41-47
Waist (inches) 28-42 32-46 33-47
Lift Capacity (pounds) 30 40 40
Weight Capacity (pounds) 20 lbs dumpable, 10 trim 20 lbs dumpable, 10 trim 20 lbs dumpable, 10 trim

Sea Quest Libra BCD with SureLock Weight System, Black Customer Reviews

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AqualungSeaquest Libra BCD with SureLock weight system, Black

(based on 2 reviews)

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(2 of 2 customers found this review helpful)


Good recreational BCD

By Rena

from Vietnam

About Me Professional


  • Comfortable
  • Underwater positioning


  • Plastic buckles

Best Uses

  • Recreation
  • Warm Water

Comments about Aqualung Seaquest Libra BCD with SureLock weight system, Black:

I'm a dive instructor and I have had the Seaquest Libra for about 3 years. It has been a great BCD, my first back inflate and money well-spent. I love how it feels under the water, you can pretty much hover comfortably in any position, although on the surface it can be a bit of a pain as it pushes me forward, even though I do 50/50 weights (half in the quick release pockets and half in the trim weight pockets). It took a bit of time to get used to, as my previous BC was a Mares Vector from the early 90's. I still find that if I have been hovering with it in a strange position, I need to re-position the air in it before I can go back to swimming horizontally. It could use more metal d-rings, as it only has one (on the shoulder and one on the bottom) and I often have to hang reel, torch, rattle, ISMB and slates off the same ring. Also, the zip on the pocket broke after about a year (I have been lazy and haven't had it repaired yet) and both of the plastic buckles that connect the shoulder straps to the rest of the BCD broke last week, within 3 days of each other. It's ok, I have fixed them Vietnamese-style with a bit of string. I will eventually get around to sending it back to Seaquest to have it repaired, as it does have a limited lifetime warranty, but in this country, it takes forever to send anything off, and I don't want to have to dive without it. But in short, the BCD still looks new (except for the string) after 3 years of almost constant use and travel, it is light (all of my dive gear including 2 wetsuits weighs under 13kg) and excellent under the water. Now when I use jacket-style BCDs I notice the difference. And I love the sure-lock integrated weights.

  • Was this a gift?:
  • No

Comment on this review

(6 of 12 customers found this review helpful)


Just love that BC!

By M

from Montreal, Canada

About Me Recreational Diver


  • Comfortable
  • Durable
  • Easily Adjustable


    Best Uses

    • Recreation
    • Warm Water

    Comments about Aqualung Seaquest Libra BCD with SureLock weight system, Black:

    Fits very very well. I'm a tiny woman and the small size is perfect, wich is rare for me to find (tight, short enough for movements, weight well balanced). A friend of mine is diving with it for 8 years and it's still perfectly fit and the color didn't fade away neither!

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    Questions & Answers Powered by TurnTo®

    Questions about this item:

    Shopper  Why Did You Choose This?
    stacy t  I've had a Libra for 15 years. It's still in great shape, but I figured it was time for an update. After looking at lots of options, I'm back to the Libra. For weight, comfort and function. Looking forward to having this one for the next 15 years!
    Shopper  is there a sizing chart for this product?
    Kasia W  Yes, it can be found here:
    Tanya M  Can this BCD take twins?
    RONALD S  No, single tank only
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