If you want elite performance, the Arena Freeflow II is the gold standard for ergonomics. For budget-conscious swimmers, the Leisis and Queen.Y models get the job done without any fuss.
Material QualityArena uses premium EVA that feels superior under the legs and lasts through intense abuse.
Ethylene Vinyl Acetate (winner)
Etilvinilacetato
Foam Leisis (FLG)
EVA
EVA Foam
Hydrodynamic ShapeThe figure-eight design of the Arena and Esoes options cuts through water far better than generic blocks.
8-shape (winner)
Standard block
Standard block
8-shape
Standard block
WeightLeisis takes the win for lightness, perfect for stuffing into a crowded transition bag.
Not listed
73 Gramos
40 Gramos (winner)
40 Gramos
50 Gramos
Product by product
Arena Freeflow IIOur pick
Competitive swimmers
This is the most refined piece of kit here. It is built for speed and long-term durability.
What We Liked 👍
Highly ergonomic eight shape design
Durable and soft EVA material
What Could Be Better 👎
Smaller surface area than blocks
Queen.Y Pull Buoy
Budget fitness training
A solid, no-nonsense block that provides exactly what you need to keep your legs high.
What We Liked 👍
Robust EVA material construction
Reliable buoyancy for training
What Could Be Better 👎
Basic design adds more drag
Leisis Pull BuoyBest value
Beginners and casual swimmers
Lightweight and hypoallergenic, this is the classic choice for pool training in Spain.
What We Liked 👍
Very lightweight and portable
Soft and hypoallergenic foam
What Could Be Better 👎
Simple design lacks aerodynamics
Esoes Pull Buoy
All-around training
A sturdy figure-eight model that balances buoyancy with decent hydrodynamics.
What We Liked 👍
Effective ergonomic eight shape
Impermeable high-density material
What Could Be Better 👎
Basic build quality feels average
Huhudyy Leg Float
Learning proper hip rotation
A straightforward tool designed to keep your legs locked while you focus on your stroke.
What We Liked 👍
Soft and skin-friendly foam
Easy to store and transport
What Could Be Better 👎
Potential for faster material wear
Sink or Swim: The Battle of the Blocks
When you are halfway through a grueling set of 400s, the last thing you want is your pull buoy slipping out from your thighs like a wet bar of soap. That is where shape matters. The Arena Freeflow II and the Esoes pull buoy utilize that clever figure-eight shape, which nests comfortably between the legs and keeps the drag to an absolute minimum.
On the other side of the lane, we have the block-style buoys like the Queen.Y, Leisis, and Huhudyy. These are the workhorses of the pool. They do not claim to be aerodynamic wonders, but they are incredibly reliable for basic drills. If you are just looking to work on your upper body strength without worrying about your kick, these classic shapes are tried, tested, and true.
Does Material Really Make a Splash?
I have seen enough gear fall apart to know that cheap foam is the enemy. The Arena model stands out here with a higher-density feel that suggests it can survive being tossed into a swim bag a thousand times. The Leisis and Queen.Y options are perfectly serviceable, though they lack that premium, bombproof touch.
Ultimately, if you are a serious swimmer, pay the extra for the better ergonomics of the Arena. If you are just looking for a simple aid to get through your weekly laps, the Leisis is a fantastic, lightweight performer that won't let you down during a session.
The Final Stroke
If you want the best tool in your kit for speed and technique, go for the Arena Freeflow II. It is sleek, comfortable, and built to last through seasons of heavy chlorine exposure.
For the budget-conscious swimmer who just wants to get the job done, the Leisis is the best value pick. It is light, effective, and won't break the bank while you work on your stroke.
Our pickArena Freeflow II
Best valueLeisis Pull Buoy
Prices on amazon.es as of October 1, 2026. Prices may change.
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