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SDS Watersports are a award winning diving equipment retailer, trusted supplier & warranty repair centre for the industries top diving equipment brands & the only retail dive shop to win the diver magazines retailer of the year award seven times.

Note: Our website does not show current stock of every item, if you need something asap please give us a call. Thank you

Please Note: Our Shop Will Be Closed On Bank Holiday Monday/Tuesday 6th/7th May. Thank You

Mares Avanti Superchannel Open Heel Fins

The Mares Avanti Superchannel Open Heel Fins have a blade length that varies from 35 to 37 cm depending on the size. The fins have an open foot pocket. The three rib design allows the fins to arch during the fin stroke.

The water is then channelled in the opposite direction of motion, minimizing loss at the side edges of the fin. Muscle power is thus transformed into propulsive thrust.

Channel Thrust:

Soft longitudinal inserts allow a controlled deformation of the fin blade while kicking. This channel shape moves a greater amount of water resulting in more thrust for the same effort.


  • 3-channel design for more propulsion

  • Standard elastic band strap

  • Open anatomical foot pocket

  • Robust and durable construction

  • Material:Thermoplastic rubber-Tecralene®

  • Blade length: 37cm / 14.6in (size R)

  • Blade Thrust Area:730cm² / 113.1in² (size R)

  • Weight of single fin: 0.9kg / 2lb (size R)

  • Available in sizes S to XL, the new fins come in three colours: yellow, blue and black.

SDS Free Delivery Offer 

Get Free England Mainland Delivery On All Orders Over £300.00

Our free delivery offer will be automatically added once your cart total reaches £300.00 or above (*Cylinders & Compressors excluded). We prefer to ship via Royal Mail & Parcelforce within the UK, Scotland Mainland & Wales but if you require an alternate delivery method please contact us.

Our delivery charges are displayed and added to your order and the total amount to pay is displayed twice before you complete your order either on the cart page or during checkout.

England Mainland delivery on all orders under £300.00

Small Items, Sent via Royal Mail 1st/2nd Class Signed For

Medium - Large Packages, Sent via 24 hour recorded courier service

Extra Large Items, Sent via 24 hour recorded courier service - Add £10.00 per additional 20Kg

Additional charges may be needed for certain locations, for example Scotland Highlands, Islands and Ireland.

*Please Note: Cylinders and compressors are excluded from this offer because of the higher weights.

See Our Delivery Information Page For All Details.

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  • RRP £105.00
  • OUR PRICE £89.00

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Tags: Mares, Fins