Arena Unisex Adult Powerfin Pro II Swim Training Fins Men and Women Silicone Short Blade Flippers Left-Right Customized, Sizes 4.5-13.5

Arena makes the best fins for competitive swim training. Size guide is true to size.

I felt these were expensive...but after the blisters on my feet and ankle and knee pain from another fins...I figured I would give these a try...I would have returned them if they did not work for me.Theses are the best flippers I have ever used. They don't hurt or blister my feet. I have hyper extended joints, and they really allow my ankles to be flexible without over doing it or putting excessive strain on my knees. My kick is also stronger from using them regularly in kick sets. I have greatly improved my underwater dolphin on my back. They really work my quads too.I am in US Masters Swimming, in my 40s, and have practice three times a week. I wish these were around in my high school days.I can't recommend them enough and hope they work for you too.

My swim coach told me I needed to get these fins. They're durable and excellent for training.

I’ve always used conventional swim fins - the closed heel design usually available to borrow at the pool. I decided to splurge on these and am not disappointed. I was a little nervous about having my heel loose, but it turns out the loose heel is a much better design. I normally wear a 9 in women’s dress shoes, a 10 in women’s sneakers. I got the 7.5 to 9 size (sized based on men’s sizes) and they fit well. The material is really soft and flexible. I do get some friction around my big toe, but much less than I used to get from the conventional design. These fins are expensive but worth it.

Fit my 11 yr daughter. She is 5’2. Size 6.5 shoe.

Best fins I have ever used. The sizing seems a little large.

They appear to be high quality fins...I'm simply exchanging for a bigger size.

My daughter loves these but insists they have weights in them. They make her work really hard’