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The main innovation is the combination of the pneumatic deflation feature of AirTrim with the trusted Ergo inflator, resulting in a highly streamlined buoyancy control device (BCD) that allows for effortless, single-handed buoyancy management.
Yes, the Mares Guardian BCD Ergotrim for Men offers the option to add a Color Kit, allowing you to customize your gear according to your personal style.
The integrated Secure Lock System (SLS) ensures optimal balance during your dive, enhancing your control and stability in the water.
The high lift aircell with winglets provides exceptional buoyancy control, enabling you to manage your position in the water with ease and precision.
Yes, if you opt to add a Color Kit, it includes a practical line cutter equipped with both ceramic and titanium blades.
Review Summary
Men
Condura
Monoplate
SLS
5
768225088202
Mares Guardian Ergotrim BCD Size Chart
| 3XS | XXS | XS | S | M | L | XL | |
|---|---|---|---|---|---|---|---|
| Weight (lbs) | < 100 | < 120 | < 120 | 110-115 | 130-175 | 155-200 | > 175 |
| Height (ft) | < 5'1" | < 5'3" | < 5'5" | 5'5"-5'9" | 5'5"-5'11" | 5'7"-6'1" | > 5'11" |
| Waist (in) | < 30 | < 34 | 27-36 | 29-38 | 36-45 | 39-47 | > 43 |
| Chest (in) | < 32 | < 36 | < 38 | 33-41 | 38-45 | 41-47 | > 47 |

Featuring Airtrim 2.0 technology and an ergonomic design, the Guardian Ergotrim scuba diving BCD boasts a pneumatic inflation and deflation system. This new Ergotrim technology enables divers to modify their trim, regardless of their orientation in the water. Instructors can utilize the Ergo command in a traditional manner when showcasing skills, but it can also function as an Airtrim when inserted in its dedicated holder. Moreover, the side pockets are constructed with elastic Supratex material, which delivers optimal elasticity and durability, enhancing the overall comfort and utility of your diving experience.
• Ergotrim technology allows the diver to adjust buoyancy no matter the diving position
• The Ergo command can be used like a ‘classic’ inflator by an instructor when teaching, but will work as an Airtrim when in its dedicated holder

The aircell is separated from the shoulders, meaning greater comfort in the shoulder area when inflated
• High lift aircell with winglets
• Monoplate backpack fits single or double tanks
• 50mm swivel buckles
• Stainless steel D-rings
• Adjustable cummerbund
• High capacity cargo pockets with supratex stretch panels
• Smart trim weight positioning
• SLS weight system
• Visual confirmation of proper weight pouch insertion
• Personalizable label on weight pockets
Ready to discover the new frontier in scuba diving comfort and control? Introducing the Guardian ErgoTrim Scuba Diving BCD by Mares. In 2022, Mares innovatively blended the pneumatic deflation feature of AirTrim with the familiar Ergo inflator, delivering an extraordinarily streamlined buoyancy control device (BCD).
Imagine effortlessly managing your buoyancy, single-handedly, under all circumstances. With the Guardian ErgoTrim, you don't just imagine it - you live it. Your left shoulder stays uncluttered, ensuring free movement while keeping you perfectly balanced in the water.
The revolutionary AirTrim 2.0 system is a game-changer, enabling easy inflation and deflation of your BCD, regardless of your water position. But the innovation doesn't stop there. We understand that you're unique, and your gear should be too. That's why the Guardian ErgoTrim offers the option to add a Color Kit. Not only can you personalize your BCD, but the kit also includes a highly practical line cutter with both ceramic and titanium blades.
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