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Cressi Thor Advanced Open Water Diving and Snorkelling Set

RRP £219.99 YOU SAVE£50.00

The Cressi Thor Advanced Open Water Scuba and Snorkelling set is suitable for every ocean. If you're serious about discovering the underwater world this could be the ideal set for you.
Free Standard Delivery On Orders Over £30
Order by 3:30pm, Monday – Friday
Product Info

The Cressi Thor Advanced Open Water Scuba and Snorkelling set is suitable for every ocean.
If you're serious about discovering the underwater world this could be the ideal set for you.

Cressi Air Crystal Diving Mask (included in package)

The latest mask to come out of the Cressi factory the Cressi Air Crystal leap frogs the Big Eyes Evo Crystal to the top of the range of Cressi Diving and Snorkelling masks.

With advanced technology Cressi have created an extremely hydrodynamic design by using a Dual Integrated Frame system which allows the Crystal Silicone of the skirt to join the frame with uninterrupted curvature and makes the mask much more compact in size.

  • Revolutionary Crystal Silicone for extreme skirt clarity.
  • Double injection technology.
  • Integrated dual frame.
  • Tempered glass.
  • Wide field of vision.
  • Micrometric adjustable buckle.
  • Flexible buckle.
  • Inclined lenses.
Cressi Beta Snorkel Semi-Dry Purge (included in package)

Cressi Beta Semi-Dry Snorkel with corrugated flexible silicone section to drop conveniently out of the way when not in use. A generous bore provides ample airflow allowing the user to concentrate on the reef below.

  • Soft silicone mouthpiece, compact design.
  • Splash guard to help reduce water ingress.
  • Easy breathing purge valve system.
  • Streamlined design for reduced drag.
  • Angled mouthpiece reduces jaw fatigue.
Cressi Thor Scuba Diving Fins (included in package) | Wear With Boots

Brand new design for this extremely effective and yet very easy to use fin. The special arched profile of the fins combined with the two central ribs promote a significant flow convection effect, known as spoon effect, which stabilises and boosts propulsion. Two lateral holes discharge the negative forces typically associated with this area and at the same time make for enhanced stability. The blades are moulded from two different materials for improved reactivity. These fins are perfect for scuba diving, whether you are an experienced diver or a novice.

  • Arched Profile for efficiency and power.
  • Ideal for Scuba Diving or Snorkelling.
  • Fins To Be Worn With Boots
Cressi 5mm Ultraspan Boots (included in package)

Cressi Ultraspan 5mm Scuba Diving and Wetsuit Boots are a superb non-zipped boot made from Cressi-Sub's ultra stretchy Ultraspan 5mm neoprene. Excellent for scuba diving and for general watersports with rugged sole.

  • Non-zipped pull on boot.
  • Rugged sole for protection.
  • 5mm Ultratretch Neoprene.
  • Fin strap stopper.

"In Stock"
This means that the item is in stock and ready for despatch. We do make the odd mistake but 98% of items that say in stock, are actually in stock. If you are ordering a quantity of any item, you are welcome to email or phone to check the quantity available.

"Despatch 6-10 Days
You are able to buy/order the item but just to advise you that the item is not currently in our warehouse and therefore not available for immediate despatch but is on order or en route to us and we hope to despatch within 6-10 Days. If you want to know more details just e-mail or phone us.

"Sold Out"
may mean the item is no longer available or possibly out of stock for some time. If you want to know more details just e-mail or phone us.


Free Standard UK Delivery on orders over £30 are usually sent by Royal Mail post (*exclusions apply see Delivery FAQs). FREE delivery, on orders over £30, applies to MOST, NOT ALL* UK mainland addresses (*exclusions apply see Delivery FAQs). We use a combination of Royal Mail and Carrier services and in some cases a signature is required to confirm receipt (high value/bulky orders).

For further detailed information please see Delivery FAQs.

We reserve the right to collate multiple orders into one delivery if going to the same address. We are unable to split orders/deliveries if any one item in an order is not available from stock, indicated by 'Despatch due date / Awaiting stock / Stock expected'. So we would usually despatch an order once complete as/when all the items are available from stock to send as one parcel.


We hope you are completely satisfied with your purchase but any unsuitable item may be returned to us, WITHIN 28 DAYS of receipt by you, for exchange or refund.

Please email team@undersea.co.uk or phone us on 01736 751066 for a RETURNS AUTHORISATION NUMBER before sending the goods. Do please click here for all the details


Founded in 1946 by two brothers Egidio and Nanni Cressi, they skillfully produced handcrafted equipment on a small scale, with Egidio personally testing all the equipment and carrying out many of the first sea trials. The original principles of attention to detail and quality standards are still relevant today and Antonio Cressi, son and nephew of the founders, continues to personally test many of Cressi's new products.