The Mares Quattro 4X Diver Pro package includes Quattro 4X fins, Waterproof B2 6.5 mm boots, a Force-X mask and Rebel Dry snorkel. Choose the boot and fin sizes together, then check the mask shape independently.
What is included
- 1 × Mares Avanti Quattro 4X Scuba Diving Fins
- 1 × Waterproof B2 6.5mm Semi-Dry Dive Boot
- 1 × Mares Force-X Dive Mask
- 1 × Mares Rebel Dry Top Snorkel
Mask features
- Stainless steel frame provides a supporting structure around the lenses.
- Silicone skirt and anatomical strap offer flexible contact at the face and head.
- Y-shaped buckle arrangement distributes the strap connection around the mask.
- Metal lens-retaining clips secure the lens assembly.
- Protective mask box is included for storage.
Snorkel features
- Dry-top closure: The upper valve closes when submerged to help limit water entering the tube.
- Silicone mouthpiece and corrugated tube: The flexible lower section lets you position the mouthpiece naturally and allows it to move aside when released.
- Lower purge housing: Water collects in the rigid lower chamber, with an exhaust valve beneath it for clearing.
- Sliding keeper: Move the mask attachment along the tube to set a comfortable height beside your mask.
Fin features
- Four blade channels guide water along the fin during the kick.
- Three-material construction places firmer and softer materials where support or flexibility is needed.
- Bungee heel straps have protective covers, shaped heel pads and large pull loops.
- A reusable quick-drying mesh bag is included.
Technical Specs
| Specification | Details |
|---|---|
| Mask or mask/snorkel combo | Mares Force-X Dive Mask |
| Separate snorkel | Mares Rebel Dry Top Snorkel |
| Fins | Mares Avanti Quattro 4X Scuba Diving Fins |
| Fin footwear | Dive boots required |
| Footwear included | Waterproof B2 6.5 mm boots |
Mask fit and choosing a gift
Face width, shape and nose-pocket comfort matter more than a general age or gender label. Keep hair clear of the skirt and check for an even seal without pressure around the brow or cheeks. Use light strap tension. For a gift, confirm the recipient’s fitting needs before selecting lens powers or fin sizes; our Hallam team can help compare options.
Mares open-heel fin size guide
| Fin size | EU guide | JP size guide (cm) |
|---|---|---|
| XS | 34–37 | 22–23.5 |
| S | 38–40 | 24–25 |
| Regular / R | 41–43 | 25.5–26.5 |
| XL | 44–48 | 27–29 |
This is the Mares 2026 guide for the Avanti Quattro 4X and Quattro+. JP values are the manufacturer’s centimetre sizing reference, not internal pocket measurements. Fit the fins with the boots you intend to wear; boot thickness and sole shape affect the fit.
To measure your feet, place paper against a wall, stand with your heel gently against the wall and mark your longest toe. Measure from the wall to the mark in centimetres. Repeat for the other foot and use the longer measurement. Where a model has no foot-length chart, contact us with that measurement and your usual shoe size rather than using another fin model’s chart.
Size charts are a guide only; individual fit varies with foot shape. Check both feet and try the fins with any socks you intend to use. The pocket should hold the foot securely without curled toes, pinching or excessive movement. If you are between sizes, ask our Hallam team for fitting help.
Blade length and weight describe the equipment; they are not foot-length measurements. Colour and size availability are shown in the selector.
Using and caring for your equipment
A snorkel supplies air only while its opening is above the water. A dry top helps limit incoming water but does not allow underwater breathing. Practise fitting, breathing and clearing in calm, shallow conditions before a longer swim.
Care and storage
Compatible cleaning products
For standard uncoated mask glass, TUSA TEC52 anti-fog treatment is an option when permitted by the mask and treatment instructions. For any selected neoprene boots, socks or strap cover, we recommend Cressi Neoclean Wetsuit Wash or Revivex Wetsuit Shampoo to clean compatible neoprene. Wash that component separately according to its care label and the cleaner’s dilution instructions, then rinse thoroughly and dry in the shade. These neoprene cleaners are not a recommendation for the mask lens or a regulator assembly.
Rinse the mask, snorkel and fins in fresh water after each swim, removing sand from the buckles, straps and snorkel top. Allow everything to dry in the shade before storage. Use a suitable anti-fog treatment as directed and avoid abrasive cleaners, toothpaste or flame treatments. Check the skirt, mouthpiece, valves and straps before each use.














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