Mares Avanti Quattro+ Open Heel Fins

Best For

• Recreational scuba divers seeking strong propulsion and control
• Divers who prefer open heel fins with bungee straps
• Boat diving, shore diving, and general all-around scuba use
• Divers looking for a durable fin with proven performance

Not Ideal For

• Divers needing full foot fins for barefoot tropical diving
• Freedivers looking for long-blade freediving fins

Key Features

• Four-Channel Blade Design: Helps the blade arch during the kick cycle to convert muscle power into efficient thrust.
• Channel Thrust Technology: Maximizes water movement through the blade for greater propulsion with the same kicking effort.
• Standard Bungee Strap: Makes donning and doffing easier while providing a secure, comfortable fit.
• Hi-Flex Blade Material: Optimizes blade efficiency for responsive performance underwater.
• Stabilizing Trim Tabs: Improve tracking and stability during the fin stroke.
• Perforated Foot Pocket: Helps reduce the parachute effect often experienced with some fin designs.

Specifications

• Brand: Mares
• Model: Avanti Quattro+
• Fin Type: Open heel fins
• Material: Thermoplastic rubber foot pocket with Tecralene® technopolymer blade
• Blade Length: 15 in. for size Regular
• Blade Thrust Area: 120.9 in² for size Regular
• Weight: 2 lb per fin for size Regular
• Strap: Bungee strap

Fit & Sizing

These open heel fins are designed to be worn with dive boots. Use the size guide below as a reference when selecting your fin size.

• XS: UK 1.5–4 / US 2.5–5 / JP 22–23.5 / EU 34–37
• SM: UK 4–7.5 / US 5–8.5 / JP 23.5–25.5 / EU 37–41
• RG: UK 7.5–10.5 / US 8.5–11.5 / JP 25.5–27.5 / EU 41–45
• XL: UK 10.5–12.5 / US 11.5–13.5 / JP 27.5–29 / EU 45–48

Compatible Applications

• Use with compatible dive boots
• Recreational scuba diving
• Warm-water and temperate-water dive setups
• General open heel fin applications

Use Cases

• Recreational scuba diving in varied underwater environments
• Boat diving where easy donning and doffing are helpful
• Shore diving where dive boots and open heel fins are preferred
• Divers seeking efficient propulsion with controlled tracking

What's Included

• Mares Avanti Quattro+ Open Heel Fins
• Standard bungee straps

Not Included

• Dive boots
• Fin bag
• Additional replacement straps or accessories

FAQs

Are these open heel or full foot fins?
These are open heel fins designed to be worn with dive boots.

What makes the Avanti Quattro+ fins powerful?
The four-channel blade design and Channel Thrust technology help move more water with each kick for strong, efficient propulsion.

Do these fins include bungee straps?
Yes, the Avanti Quattro+ fins come with standard bungee straps for easier donning and doffing.

Are these fins good for freediving?
These fins are designed for scuba diving. Freedivers typically prefer long-blade freediving fins built specifically for breath-hold diving.

Care & Maintenance

Rinse thoroughly with fresh water after each use and allow the fins to dry completely before storage. Avoid prolonged exposure to direct sunlight or high heat, and carefully read the instructions included in the packaging for proper product maintenance.

Expert Insight

The Avanti Quattro+ is a strong choice for divers who want a proven open heel fin with excellent thrust, stability, and ease of use. Its bungee strap system and efficient blade design make it especially practical for divers who want dependable performance without unnecessary complexity.