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Hollis ST System BCD Tech (ST35 Wing)

Hollis  |  SKU: 208.8001.035
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Regular price $859.95
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In stock — ships from Irvine, CA



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Description

We designed the ST System for minimalist-minded divers who prioritize streamlining their kit, for the ultimate in traditional simplicity. So if you’re concerned about unnecessary bulk and pieces of equipment failing, the ST eliminates those factors.

The foundation for the ST system starts with our new backplate 2.0 with geometry and material choices tailored to your style of diving. We then added our continuous-weave solo harness. It has no buckles that can fail, and no extra parts that you don’t need. An ultra-streamlined single-tank ST Wing rounds out the system with a perfect balance of horizontal trim and surface floatation. It’s all one simple, ultra-rugged design made for technical dive utility.

The ST comes pre-assembled from the factory and includes unique components depending on your desired configuration. For warm water and travel destinations we have the ST Travel System, which includes the Aluminum backplate 2.0, Delrin cam bands and the Backplate backpad 2.0.

Or those diving in colder waters can choose the standard ST System, which includes the ST35 wing, Stainless Steel Backplate 2.0, Stainless steel cam bands and the Backplate backpad 2.0.

Features

  • Unites our most popular components into a single system
  • Solo Harness ultra streamlined for total simplicity
  • Backplates available in steel and aluminum for versatility
  • Aluminum Backplate 2.0 light and travel-friendly
  • Steel/aluminum Backplate 2.0 offers stability
  • Versatile platform for tons of customization
  • Delrin cam bands keep your kit secure
  • Specifications

    Wing Specs

  • ST22 – 22lbs lift / 10 kg
  • ST35 – 35lbs lift / 16 kg
  • Welded flange and one piece retainer for servicing without the need for tools
  • HD Laminated 1680D Cordura outer shell
  • 420 nylon internal bladder
  • Elbow offset to avoid tank valve/regulator interference and streamlined hose routing
  • Lower left pull relief valve
  • Cam band slots & tank cradle built in

    Backplate 2.0

    STAINLESS BACKPLATE 2.0:

  • AISI 304 Stainless
  • 4mm thickness
  • Sandblasted finish
  • Electropolished & chemically passivated
  • Laser cut & CNC bent
  • 6.5 lbs / 3 kg

    ALUMINUM BACKPLATE 2.0:

  • EN AW 6061 aluminum
  • 3mm thickness
  • Hard Anodized Marine Black
  • Laser cut & CNC bent
  • 1.5 lbs / 1 kg

  • Payment & Security

    Payment methods

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa

    Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

    WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

    Frequently Asked Questions

    How should a scuba BCD fit?

    A BCD should fit snugly enough that it does not ride up toward your ears when inflated, while still letting you breathe fully. Fasten the waist and cummerbund first, then adjust the shoulder straps so the tank sits close to your back and the shoulders cannot slide off. With the BCD fully inflated at the surface you should still be able to take a deep, comfortable breath; if it squeezes your chest, loosen it or move up a size.

    How do I rinse and care for a BCD after diving?

    Rinse the outside in fresh water and also flush the inside of the bladder, because salt water gets in through the inflator and dump valves. Fill the bladder roughly a third full of fresh water through the oral inflator, slosh it around, then drain it out through the inflator and each dump valve. Hang it to dry out of direct sunlight and store it partially inflated so the bladder walls do not stick together.

    Should I use integrated weights or a weight belt?

    Integrated weight pockets carry the lead in the BCD itself, which many divers find more comfortable and easier on the hips, while a weight belt keeps the weight independent of your BCD. Either way, you must be able to release your ditchable weight quickly with one hand, and your buddy should know how your system releases. Non-ditchable trim pockets are useful for balance but should never hold weight you might need to drop.

    How do I pack a BCD for travel?

    Make sure the BCD is completely dry inside and out before packing so it does not mildew in transit. Remove all weights, deflate it fully, and fold or roll it around softer items such as a wetsuit to cushion the inflator and valves. Avoid hard creases in the air cell, and unpack and air it out as soon as you arrive.

    When does a BCD need to be serviced?

    Follow the service interval in the manufacturer's manual, which is commonly an annual inspection alongside the rest of your life-support gear. Have the inflator, dump valves, and bladder checked any time the inflator sticks, free-flows, feels rough, or the BCD holds air poorly. Between services, confirm that it inflates and deflates properly as part of every pre-dive check.

    What is the difference between a jacket-style and a back-inflate BCD?

    A jacket-style BCD holds air in panels that wrap around your sides as well as your back, while a back-inflate BCD keeps the entire air cell behind you. Jacket styles tend to feel very stable and upright at the surface, and back-inflate styles keep the chest clear and are often preferred for horizontal trim underwater. Neither is objectively better, so treat it as a fit and preference decision and try both if you can.

    Will my BCD fit any scuba tank?

    Most recreational BCDs use an adjustable cam band sized for common single-cylinder diameters, so standard aluminum and steel tanks generally work. Re-check the band tension after the first wetting, because webbing can relax slightly and let the tank shift. If you dive doubles or unusual cylinder diameters, confirm compatibility with the manufacturer before assuming it will hold.