This Mares package combines Quattro Plus fins, Aqualung Superzip 5 mm boots, an X-Vision Ultra Liquidskin mask and Rebel Splash snorkel. The Rebel Splash uses a semi-dry splash guard rather than a closing dry-top valve.
What is included
- 1 × Mares Avanti Quattro Plus Scuba Diving Fins
- 1 × Aqualung Superzip 5mm Dive Boots
- 1 × Mares X-Vision Ultra Liquidskin Mask
- 1 × Mares Rebel Splash Snorkel
Optional additions
Optional additions are included only when selected. Check your choices and the displayed package total before adding the set to your basket.
Mask features
- Liquidskin bi-silicone design balances support and a soft facial contact area.
- Twin-lens layout keeps the frame organised around each eye.
- Tri-Comfort ribs beside the nose add flexibility to the skirt.
- Two-button buckles and a shaped strap make fitting adjustments straightforward.
Snorkel features
- Semi-dry splash protection: The shaped top deflects splashes while leaving the airway open. It does not seal when submerged.
- 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-channel blade design helps direct water along the blade.
- Stabilising ribs support the blade as it flexes through the kick.
- A bungee heel strap with heel pad helps with fitting and removal.
- The open-heel pocket is designed to be fitted with dive boots.
Technical Specs
| Specification | Details |
|---|---|
| Mask or mask/snorkel combo | Mares X-Vision Ultra Liquidskin Mask |
| Separate snorkel | Mares Rebel Splash Snorkel |
| Fins | Mares Avanti Quattro Plus Scuba Diving Fins |
| Fin footwear | Dive boots required |
| Footwear included | Aqualung Superzip 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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