Hollis ST35 Single Tank Wing
By Hollis Gear | 35 lbs (15.8 kg) Lift Capacity | HD Cordura Donut Wing
Achieve flawless horizontal trim and effortless buoyancy control with the Hollis ST35 Single Tank Wing. Designed specifically for single-cylinder technical and cold-water sport divers, the ST35 features a continuous 360-degree donut shape that prevents air trapping and ensures rapid gas movement across the air cell. Built with a rugged HD Cordura outer shell, welded 420-denier polyurethane inner bladder, and integrated tank stabilizer cradle bars, it delivers 35 lbs (15.8 kg) of lift—ideal for steel single tanks and heavy cold-water drysuit setups in British Columbia waters.
Built-in Tank Cradle Bars & 360-Degree Donut Profile
The ST35 features integrated tank stabilizer bars molded right into the back, allowing you to secure single cylinders tightly with dual cam bands without needing a separate metal Single Tank Adapter (STA). Its circular donut bladder profile allows gas to roll easily from side to side for instant trim corrections underwater.
Key Features & Highlights
- 35 lbs (15.8 kg) Lift Capacity: Ample positive buoyancy designed to support cold-water steel tanks, heavy backplates, and drysuit buoyancy requirements.
- HD Cordura Outer Shell: Rugged, abrasion-resistant outer cover shields against sharp wrecks, rocky reef contact, and transportation wear.
- Welded 420D Internal Bladder: Heavy-duty puncture-resistant inner air cell laminated with polyurethane to ensure zero air seepage.
- Integrated Tank Stabilizer Cradle: Dual built-in rubberized tank cradle bars hold single cylinders firm and eliminate tank roll.
- Streamlined Elbow & Inflator Hose: Central top-mounted inflator elbow reduces hose strain and integrates smoothly with standard corrugated inflator hoses.
- Low-Profile Pull-Dump Valve: Flat lower-left Over Pressure Valve (OPV) allows fast manual gas venting while swimming horizontally without snagging on lines.
Technical Specifications
| Lift Capacity | 35 lbs / 15.8 kg |
| Wing Profile | Continuous 360° Donut Design |
| Outer Shell Material | HD Cordura Nylon Outer Cover |
| Inner Bladder Material | 420 Denier Polyurethane Laminated Internal Bladder |
| Cylinder Compatibility | Single Tank Only (Supports Aluminum 80, Steel 80/100/120 cylinders) |
| Backplate Grommets | Standard 11-inch Center-to-Center Stainless Grommets |
Order online for fast coast-to-coast Canadian shipping or visit International Diving Centre at 2865 West Broadway, Vancouver, BC (free customer parking in the back!). Call us at (604) 736-2541 to discuss wing sizing or configure your technical backplate rig.
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