Best 12.5 pound dumbbell sets

Top pick: CAP Barbell Adjustabell 12.5 lb pair. It's the most versatile of the bunch — a twist-select adjustable pair that starts light and grows with you, so it covers warm-ups, lateral raises and pressing without a rack of fixed weights. Chrome-and-black handles feel gym-like rather than toy-like.

Who the others suit:

• CAP Adjustable Honeycomb Handle pair — same idea, plate-loaded instead of twist-select; pick it if you'd rather add or swap plates yourself and want the most weight for the money.
• 5-in-1 adjustable pair — best for a beginner who wants one set to cover several weights in a small space.
• Amazon Basics neoprene pair — for light, comfortable everyday toning work where grip and floor-friendliness matter more than load.
• CAP rubber hex dumbbell — for anyone building a fuller home set who wants durable, floor-safe hex heads.

One note: the fixed-weight options I found are 10 lb and 15 lb, so if you specifically want a true fixed 12.5 lb pair, the adjustable sets are the closest match.