We tested the Cressi Thor EBS fin at Alexander Springs Recreation Area in Central Florida.

Test divers rated it in 12 different categories, including efficiency, power, acceleration and comfort.

With its long, wide blade, soft, deep center pocket and firm, truss-like side rails, the Thor grabs a big chunk of water with every kick. It takes some work to keep those big blades churning hard. But the Thor can cruise along efficiently at a more sedate pace, which landed its score for power vs. stress right in the average among our test fins.

Rated good for flutter stroke, the Thor’s score bumped up to very good for frog kick, where those big firm blades performed their best. While it was rated good overall for fit and comfort, the Thor drew mixed individual scores, with some divers reporting a perfect fit and others finding the bungee strap a little too snug.

But divers gave the bungee nearly top marks for donning and doffing, with the big, soft finger loop making the Thor a cinch to get on and off.

Where to buy

Find your favorite online scuba store: Search online

Cressi Store Locator: Visit Cressi.com to find offline retailers.