Mares Guardian ErgoTrim Dive BCD
Mares Guardian ErgoTrim – Balanced Buoyancy and All-Day Diving Comfort
The Mares Guardian ErgoTrim Dive BCD is designed to provide outstanding buoyancy control, ergonomic comfort, and dependable performance for recreational divers. Its back-inflate design promotes a natural horizontal trim while allowing unrestricted movement underwater for a more streamlined diving experience.
Featuring Mares' ErgoTrim buoyancy control system, the Guardian ErgoTrim enables inflation and deflation from multiple positions for intuitive buoyancy management throughout the dive. Combined with an ergonomic harness, integrated weight system, and durable Cordura construction, this BCD delivers comfort and stability dive after dive.
Why Choose the Mares Guardian ErgoTrim Dive BCD
- Back-inflate design promotes natural trim and improved underwater freedom of movement.
- ErgoTrim buoyancy control system allows convenient adjustment from multiple positions.
- Ergonomic harness provides lasting comfort during extended dives.
- Integrated weight system helps improve balance and overall diving stability.
Key Features
- Back-inflate BCD design.
- Mares ErgoTrim buoyancy control system.
- Ergonomic harness with padded shoulder straps.
- Integrated quick-release weight pockets.
- Durable Cordura construction.
Perfect For
- Recreational scuba diving.
- Divers seeking precise buoyancy control.
- Divers who prefer a back-inflate BCD.
- Frequent diving and travel.
- Divers looking for comfort and streamlined performance.
Built for Comfortable and Confident Diving
The Mares Guardian ErgoTrim Dive BCD combines ergonomic comfort, intuitive buoyancy control, and durable construction in a streamlined design built for recreational diving. Its balanced fit and dependable performance help divers maintain confidence and stability throughout every underwater adventure.
Fit and Sizing
The Mares Guardian ErgoTrim Dive BCD follows Mares' official sizing guidelines to help achieve optimal comfort, trim, and buoyancy control. Choosing the correct size improves stability both at the surface and underwater. If you are between sizes or plan to wear thicker exposure protection, professional fitting through an authorized Mares dealer is recommended.
| Size | Body Weight | Height | Chest | Waist |
|---|---|---|---|---|
| X-Small | <55 kg | <165 cm | 70–90 cm | <95 cm |
| Small | 50–70 kg | 165–175 cm | 75–95 cm | 85–105 cm |
| Medium | 60–80 kg | 165–180 cm | 90–115 cm | 95–115 cm |
| Large | 70–90 kg | 170–185 cm | 100–120 cm | 105–120 cm |
| X-Large | >80 kg | >180 cm | >110 cm | >120 cm |
Note: Sizing information is based on official Mares manufacturer guidelines. If you are between sizes or plan to dive with thicker exposure protection, professional fitting through an authorized Mares dealer is recommended.





