Swimming with fins during rigorous military training, such as BUD/S and Army Ranger/Special Forces training, is required for open-water tests.

Fins make a swimming workout more enjoyable because they increase your speed. Ideal for weaker swimmers, they train you to kick better on your own and have a large surface area that improves ...

For instance, at SEAL training, you must swim two nautical miles with fins (4,000 yards) every week in the ocean. Competitive scores are in the 60- to 70-minute range, with some candidates ...

$22 at Amazon 2. Paddles for strength training If you're planning on swimming more than once a week, you might want to vary your swim workouts to target different elements of your stroke.