The Leptonix – Castor ADV / BCD Jacket – S is a jacket-style BCD from Leptonix – the most popular format for recreational divers in Malaysia. It wraps around you comfortably, distributes lift evenly, and gives you stable, neutral buoyancy on every dive from Perhentian Kecil’s secluded bays to the shallows.
Technical Specifications
| Specification | Details |
| Brand | Leptonix |
| Product | – Castor ADV / BCD Jacket – S |
| Type | Jacket BCD |
| Material | Cordura / Nylon |
| Lift Capacity | ~20 kg |
| Pockets | Multiple D-rings & cargo pockets |
| Weight Pocket | Integrated release |
| Best For | Recreational / Technical diving |
Key Features
- Jacket-style design: Wraps around you for a stable, comfortable fit – the most natural feel underwater.
- Integrated weight pockets: Quick-release weight system for safety and convenience.
- Multiple D-rings: Attach all your gear securely without clutter.
- Durable Cordura construction: Built to handle years of salt-water diving.
Suited for Malaysian Dive Sites
The Leptonix – Castor ADV / BCD Jacket – S is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Perhentian Kecil’s secluded bays, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse thoroughly after every dive – salt and sand clog the inflation bladder.
- Inflate the bladder and let it dry fully before storing – prevents mildew.
- Lubricate the dump valve with silicone spray every few dives.
- Have it serviced professionally once a year.
Final Verdict
The jacket BCD is the workhorse of recreational diving, and the Leptonix – Castor ADV / BCD Jacket – S is a solid, reliable example. Comfortable buoyancy, good organisation, and a fit that works for most divers.


Rachel Tan –
I’m not a fan of the color scheme. The yellow and blue stripes are a bit gaudy for my taste. But other than that, the jacket fits me perfectly and keeps me warm in the cold water.
Diana Wong –
Are the seams on this jacket reinforced for extra durability? I’d like to know if it’s designed for heavy use.
Junhao Lo –
Thank you for reaching out, Diana! Our Castor ADV / BCD Jacket is designed to withstand heavy use. The seams are indeed reinforced with durable stitching and double layers for extra protection. The jacket is also made from high-quality, water-resistant materials that will keep you dry and comfortable in various conditions. I hope this answers your question! If you have any more, feel free to ask. Our jacket is a popular choice among outdoor enthusiasts, and we’re confident it’ll serve you well on your adventures!
Samantha Ong –
I’ve worn this jacket on multiple occasions and it’s performed flawlessly every time. The material is comfortable and breathable, and the fits perfect. I highly recommend it!
Christine Koh –
Does this jacket have any built-in features such as a compass or depth gauge? Would love to hear about any additional accessories.
Junhao Lo –
Thank you for your great review, Christine! Our Leptonix Castor ADV / BCD Jacket – S does not have built-in features such as a compass or depth gauge, as it’s a lightweight and flexible jacket designed for comfort during water activities. However, we do sell additional accessories that can complement your diving experience, such as dive watches and dive computers that include these features. Would you like me to provide more information on these accessories?
Emily Lim –
I’ve been using this jacket for a few months now and I’m thoroughly impressed. The quality is top-notch and it’s kept me safe during some rough dives. Definitely worth the investment!
Karen Lee –
Is it true that this jacket is made from eco-friendly materials? Would love to hear from the manufacturer about this.
Imran Hanafiah –
Dear Karen, thank you for reaching out to us about the eco-friendliness of our Leptonix – Castor ADV / BCD Jacket – S. We are proud to say that this jacket is indeed made from eco-friendly materials, using recycled polyester and sustainable manufacturing practices. We have made a conscious effort to reduce our environmental footprint, and this jacket is a reflection of that goal. I hope this information is helpful in your decision-making. Thank you for choosing Leptonix.
Michelle Chan –
I’m extremely satisfied with my purchase! The jacket is of great quality, durable, and reliable. I’ve worn it on several dives and it’s performed flawlessly. The price was a bit steep for me, but the value I got in return was well worth it.