diving. A medium sized blade with three channels; the curvature of the central channel opposes that of the side channels. Blade stabilizers on the end of the fin help prevent ankle injuries caused by twisting. {tab=Size Chart} Fin Size S R XL Shoe Size 35 -38 (4 - 6) 39 - 43 (7 - 9) 43 - 51 (10 - 14) Shoe Sice Drysuit 36 - 42 (4 - 9) 42 - 51 (9 - 14)
warm-water and tropical diving. A medium sized blade with three channels; the curvature of the central channel opposes that of the side channels. Blade stabilizers on the end of the fin help prevent ankle injuries caused by twisting. {tab=Mask} Cressi-Sub Matrix Following the revolutionary principles introduced by Big Eyes, the Matrix establishes new records. The Cressi patented raked lenses and their special “inverted drop” shape has been developed even further. The lenses are now as close as possible to the eyes, taken to the maximum levels possible. The newly designed frame is very streamlined and ends up being completely invisible when the mask is worn. The top part of the mask has strong grip rubber material inserts, for a great look. The soft silicone skirt has a new profile and a broad seal ring for excellent waterproofing and comfort without precedent. The internal volume of the mask is exceptionally low, lower than many well-known scuba-diving masks and the weight is also very moderate. Two pressure buckles integrated into the frame make strap adjustment quick and precise. This new design strap has a very broad purchase on the neck for magnificent comfort. Excellent mask for snorkelling, scuba diving and skin diving. Technical features Type: two lens mask Versions: clear silicone, black silicone Materials: liquid silicone, hi-tech polymers, elastomers Strap buckles: pressure, with instant adjustment Internal volume: very low Dimensions of frame: 167 x 112 mm mm Weight: 175 g Graduated lenses: not available {tab=Snorkel} Cressi-Sub Sigma Cressi-sub’s snorkel for professional divers, particularly suitable for use with self-breathing ap
Advantages: Very strong, powerful, good buckle system Disadvantages: price (although can't complain too much!)
...fins to take off after a dive... unclip the buckle, waggle the fins left to right and bob's your uncle... or maybe your aunt in todays world.
With a wide choice in colours to match everyones dive fashion needs... you can't go wrong opting for the Mares Avanti Quattro. ...
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Advantages: Excellent design, ease of use Disadvantages: Expensive for fins
...fins being all the rage, Mares have produced the Avanti range in a range of styles and designs, with the quattro being their flagship model. Though dear in price, their effectivness and ease of use in the water confirms you made the right choice.
My previous fins took on the ordinary flat surface style which looks to be the best natural solution for diving needs. However, these would produce cramps and tire you quickly with the regular finning needed. ... ...to provide a more efficient kick that gives the effect of increased speed while swimming normally. Other have to race to keep up! However, though it has rigid sides, the main part of the balde is made up of a maliable, flexible plastic that again provides for a better dive.
Finally, the clips can easily be operated with just a thumb and pressed into place when being donned, a mercy when balancing on one foot in the water! ...
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...INTRODUCTION
I used to have some Mares Plana AvantiQuattros (yes, that is what they're marketed as) which were very impressive but flawed in the comfort department. They gave me terrible calf cramp. After asking around and settling on a Jetfin design, I tried on some of these grey fins in a very eminent technical dive shop near Egham, Surrey. The salesman, whom I trust, said that the fins were among the best he'd tried and urged me to have a go with them. They have a design that mimics a whale's fin, he said. It's all about looking how nature's biomechanics work and passing this onto a diver. I must admit I was a bit sceptical.
TRY-OUT
I was impressed after a pool session and more or less convinced of their ability to propel the diver efficiently and without undue effort. The vents at the base of the twin blades allow water...
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This product has not yet been reviewed. 
13.05.2003
