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The second material is the revolutionary new dual density (techno polymer) polyprop lene which forms the blade, and in conjunction with the third silicone based material creates a channeling effect. The channeling effect is the characteristic of the fin that enables a high level of energy to be transferred in both up and down strokes of the kick pattern. The blade originates from the upper part of the foot pocket, with a 20% increase in useful surface area compared to a traditional fin of the same length. The blade also has a differentiated thickness and gets thinner towards the edge to guarantee greater and more uniform bending.
The side stringers are made from two different materials that alternate with each other and overlap in different zones to obtain a structure with controlled flexibility in the different areas of the blade. To all these excellent features, Reaction adds a new, longer, more flexible and lighter blade that provides excellent thrust with minimum muscle fatigue and the smallest expenditure of energy.
Customers most agreed on the following attributes:
from Perth, Australia on 1/13/2011
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
Its worth noting these are my first proper fins (as oppsoed to simple rubber jobs) and I am using them for snorkelling at this stage only.
Firstly, these fins are sweet and feel quality.
For snorkelling I found that they are not quite perfect due to the blade angle, that is it sits out of the water so you have to work quite hard to push the blade down through the water. I found this a bit tiring, something that my wife in her Tusa split fins has no problems with.
BUT, when under water these are killer. Truly powerful and make swimming to the floor easy.
As far as sizing is concerned, I assumed the size I bought was a US size, given these are Euro fins the sizing (eg 8/9)is probably a UK size so they are a touch larger than expected. Take this into consideration if you can't try them on!
They feel a little heavy compared to other full foot fins, but no major biggie.
All in all good fins, probably well suited to warm water diving, maybe just not perfect for snorkelling.
from Chandler, AZ on 7/12/2010
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
A little narrow. It was hard to get used for these fins for the first day or two. Although the fins are a little more narrow than I expected, after two days of usage - no problem at all. Extremely efficient, powerful and convenient. The entire Life Time Fitness swimming pool lane whole under water - from ond try! The blade width: 9", length: 15". The total length: 27" Great size!
from Ricon, Puerto Rico on 7/8/2009
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
I wear a size 10.5 shoe and the 10-11 fin is a little large, there is about a fingers worth of space behind my foot.
[1 of 1 customers found this review helpful]
from Boulder, CO on 1/14/2009
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
Great fin for dynamic apnea training. Super high quality molding. The foot pocket is very comfortable, even without socks or booties. Great choice for building strength and technique for a longer freediving-specific fin.
[1 of 1 customers found this review helpful]
from San Jose, CA on 1/14/2009
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
I've been using these fins for UWH and they work very well. They're not quite as big and stiff as the Quattro's, but provide more power than HP's and other snorkeling style fins. They feel a little odd the first time you use them because your toes are below the blade not on top. I got used to them after a few laps. They foot pockets are some of the most comfortable I've found.
One significant point for UWH, it's not entirely clear if these fins are legal for tournaments. There is a small section of the blade (~1") that does not have a side rail and could be considered dangerous. Some refs say they're OK, others aren't sure.
[0 of 1 customers found this review helpful]
from Houston, TX on 9/24/2008
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
My foot size is 13. The largest size should fit, but they don't even come close. Also, there are two ridges on the top of the foot and those make the foot pocket even more uncomfortable. Never made it to the water with them. If your foot is large, these are not for you.
from Miami, FL on 8/21/2008
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
Great quality, excellent fit and the best [...] price.
from Florida on 7/25/2008
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
These are excellent fins, very comfortable and good power and efficiency. I highly recommend them!
from Montreal, QC on 7/10/2008
Comments about Cressi Cressi Reaction Pro Full Foot Fins:
I’m kinda used to stiff fins like Technisub Nasa and found these ones way too soft.. they are comfortable but the blade deforms and I feel I have no traction.. lovely design though..
delivery service is great!!