US
RUNmax

RUNmax Adjustable Weighted Vest 20-150 lb

  • 40 lb, without shoulder pads
  • Nylon, hook closure
  • Lifetime warranty
  • Black
  • Cross and strength training uses

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A heavy black weighted vest without shoulder pads, backed by a lifetime warranty. The listing gives no adjustment range or sizing guidance.

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ASIN: B01AJ12MBYModel: RM40_NPCategory: Weight Vests

Overview

A tough nylon vest with a hook closure and no shoulder pads, this is the unpadded version of the RUNmax line. The listing calls the build military grade with reinforced materials.

The lifetime warranty and rugged materials are the reasons to look at it for heavy training. The listing does not give chest sizing, adjustment steps or how the load is arranged inside.

Who it's for

Athletes, military trainees and gym users adding heavy load to workouts get a durable vest at this weight. Anyone who wants padding on the shoulders should look at the padded version.

Pros and cons

Cons
  • No shoulder pads
  • Sizing range not listed
  • Heavy for beginners
  • Load layout not described

Performance notes

A vest at this weight loads the torso, so bodyweight moves take more effort. Without shoulder pads, pressure falls on the upper back and shoulders, so a snug fit matters. Adjust the fit before moving fast.

Specifications

BrandRUNmax
ModelRM40_NP
Dimensions & fit
Size40 lbs WITHOUT SHOULDER PADShigher than 90% of 70 weight vests
Item weight40 pounds
Construction & materials
MaterialNylon
ColorBlack
Included components
Included ComponentsWeighted Vest
Warranty & support
Warranty DescriptionLifetime Warranty
Other details
Product StyleREGULAR WITHOUT SHOULDER PADS
Closure TypeHook
Recommended Uses For ProductCross Training, Strength Training, Workout
Special FeaturesMilitary-grade construction with durable, reinforced materials

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Frequently asked questions

How do I adjust the RUNmax RM40_NP?

The listing gives no steps. Check the product images and manual for how the vest fits and closes.

Does the RUNmax RM40_NP have shoulder pads?

No. The listing says without shoulder pads.

How heavy is the RUNmax RM40_NP?

The listing gives 40 pounds.

What warranty comes with the RUNmax RM40_NP?

The listing says lifetime warranty.