We compared two slam balls: the Core Balance Slam Ball 3kg and the JLL Medicine Ball, 1-10kg Slam Ball.
What we looked at
Construction material, weight range, and price.
The verdict
If you want a lighter, beginner-friendly ball at the lower price, the Core Balance is the pick at £14.44. If you would rather pay £2.55 more for a rubber-shelled ball across a wider weight range, the JLL is the alternative, at £16.99.
A £16.99 rubber slam ball spanning 1kg to 10kg.
Core Balance Slam Ball 3kg — Best for Beginners
Intended for: Marketed as a 3kg no-bounce slam ball with a hardwearing PVC shell and sand fill, a textured dimpled surface for grip, suited to beginners and higher-rep endurance training. Available in 5 colour-coded weights from 3kg to 10kg on the listing. Carries 4.5 stars from 246 ratings.
What we liked
- 4.5 stars from 246 ratings on this listing
- Lighter 3kg starting weight, suited to beginners and higher reps
- Cheaper than the JLL on these listings, at £14.44
- Colour-coded across the 3kg-10kg range for easy identification
Worth knowing
- No stated weight range as wide as the JLL's 1-10kg listing
- PVC shell rather than the JLL's rubber construction
Best for
- Buyers who want a lighter, beginner-friendly slam ball
- Anyone who wants the lower price
- Those doing higher-rep conditioning work
Not ideal for
- Buyers who want a single listing spanning the full 1-10kg range
- Anyone who specifically wants a rubber-shelled ball
JLL Medicine Ball, 1-10kg Slam Ball — Widest Weight Range
Intended for: Marketed as a heavy-duty rubber slam ball engineered specifically for slamming without bouncing, suitable for strength training, CrossFit, HIIT and rehabilitation work, sold across a 1kg to 10kg weight range with weight-specific colour coding.
What we liked
- Heavy-duty rubber construction, built specifically for slamming
- Spans a wider 1-10kg weight range on this listing
- Suitable for CrossFit, HIIT and rehab work, per the listing
- Weight-specific colour coding
Worth knowing
- Costs £2.55 more than the Core Balance on these listings
- Fewer stated grip-texture details than the Core Balance
Best for
- Buyers who want a rubber-shelled ball built for repeated slamming
- Anyone who wants a single listing spanning a wide weight range
- Those using it for CrossFit or rehab work
Not ideal for
- Buyers who want the lowest price
- Anyone who specifically wants a sand-filled PVC ball
