US
RDX

RDX Leather Powerlifting Belt 6mm

  • Waist Size: 37 inches
  • Closure Type: Buckle
  • Material: Leather
  • Item Thickness: 0.2 inches

Last refreshed Jul 5, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A solid pick for lifters who compete or train heavy and want a genuine leather belt with federation approval rather than a nylon substitute.

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ASIN: B093WWBJPSModel: WPB-RD1-DEUCategory: Weight Belts

Colors Available

BlackBlueRedWhite

Sizes Available

X-Small 23’’ - 28’’ (Waist size not pant size)Small 28’’ - 33’’ (Waist size not pant size)Large 37’’ - 42’’ (Waist size not pant size)X-Large 42’’ - 48’’ (Waist size not pant size)

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Overview

A 4-inch wide, 6mm cowhide leather powerlifting belt (model WPB-RD1-DEU) with a dual-pronged roller buckle and 12 adjustment holes, rated by RDX to support lifts up to 700 lbs.

This is the leather counterpart to a nylon lifting belt, aimed at lifters who want the rigidity that only a thick hide belt provides for max-effort squats and deadlifts. RDX lists it as IPL and USPA approved, which matters if you compete under those federations.

  • 6mm genuine cowhide leather construction
  • Dual-pronged roller steel buckle, 12 holes
  • Rated for lifts up to 700 lbs
  • Constant 4-inch width throughout

Who it's for

Suits powerlifters and serious strength athletes who want a stiff belt for heavy singles and competition. Less suited to people who want to put a belt on and off quickly between exercises, since the pronged buckle and holes take more time than a hook-and-loop closure.

Pros and cons

Pros
  • 6mm cowhide leather for rigid core support
  • IPL and USPA approved for competition use
  • 12-hole adjustment with reinforced rivets
Cons
  • Pronged buckle is slower to adjust than hook-and-loop
  • Heavier and stiffer than a nylon belt

Performance notes

The 6mm cowhide construction with a suede inner lining is built to maximize core stability and abdominal bracing under heavy load, while the dual-pronged steel buckle locks into one of 12 precision holes for a fixed, repeatable fit.

Specifications

BrandRDX
ModelWPB-RD1-DEU
Waist Size37 incheslower than 50% of 25 weight belts
Closure TypeBuckle
MaterialLeather
Item Thickness0.2 incheslower than 71% of 32 weight belts
Item Dimensions L x W4 × 4 inches

Closest rivals on specs

Hawk Sports Single Prong Powerlifting Belt 10mm
  • Item Thickness 0.2 vs 0.4 inches (-50%)
Hawk Sports Lever Weightlifting Belt 10mm
  • Item Thickness 0.2 vs 0.4 inches (-50%)
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Frequently asked questions

Is this belt approved for competition?

RDX lists it as IPL and USPA approved.

What is the belt made from?

6mm genuine cowhide leather with a suede leather inner lining.

How is it adjusted?

A dual-pronged roller steel buckle sets into one of 12 precision-drilled holes.