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The fit of this suit stands out immediately: It’s built with plenty of room in the torso, hips, and legs, while remaining snug in the arms and neck. The neck comes up very high on most wearers, causing some chafing, but it keeps the water out and the warmth in. The Cat 3 features lots of built-in perks that’ll help you swim faster, like catch panels to help grab extra water on each stroke and thicker neoprene to improve leg buoyancy and body position. If you’ve got some curves, this suit is a definite must-try—no smashing of the girls here. That said, size up if you have strong arms.