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Maximize power, efficiency, and trim control with the legendary Hollis F1 "Bat" Fins. Crafted from high-strength monoprene rubber, these heavy-duty technical fins combine short-blade power with an ergonomic angled foot pocket to deliver ultimate propulsion for drysuit diving, technical kick cycles, and heavy currents.
Heavy-Duty Monoprene & Angled Power Transfer
Moulded from heavy, high-density monoprene rubber, the F1 provides negative buoyancy that helps eliminate floaty feet in drysuits. Its custom angled foot pocket aligns naturally with your leg to direct energy straight to the blade, maximizing power during frog kicks, back kicks, and modified flutter kicks.
Features and Benefits
- High-Grade Monoprene Construction: Ultra-durable, seamless rubber build resists abrasion, harsh UV exposure, and extreme cold-water conditions.
- Angled Foot Pocket Design: Custom angle positions the blade for maximum power transfer on every kick cycle while reducing leg strain.
- Hydrodynamic Blade Vents: Flow-through vents reduce drag on the return stroke while channeling water across the blade surface for maximum thrust.
- Stainless Steel Spring Straps: Comes standard with heavy-duty stainless steel spring heel straps equipped with textured heel pads and easy-grip pull tabs for simple donning and doffing with thick drysuit gloves.
- Generous Foot Pocket Sizing: Generously sized to easily accommodate bulky drysuit boots, rock boots, and thick cold-water neoprene footwear.
- Multiple Strap Mount Positions: Features adjustable spring strap mounting points to fine-tune the tension across your heel.
Technical Specifications
| Brand | Hollis |
|---|---|
| Model Name | F1 "Bat" Fin |
| Material | Heavy-Duty High-Density Monoprene Rubber |
| Buoyancy Characteristic | Negatively Buoyant (Sinks) |
| Strap System | Stainless Steel Spring Heel Straps with Easy-Grip Rubber Pull Tabs |
| Foot Pocket Fit | Angled & Oversized (Fits Drysuit Boots & Rock Boots) |
| Available Sizes | Regular, XL, XXL |
| Best For | Technical Diving, Drysuit Diving, Cave & Wreck Penetration, Heavy Currents |
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