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Heavy bags

What size heavy bag should you buy? 4, 5 or 6 ft, 80 to 300 lb

By PROLAST4 min read

In short

We make seven stock heavy bag sizes, from 4 ft 80 lb to 6 ft XL 300 lb. Pick the height for what you train: 4 ft for punching, 5 ft to add body shots, 6 ft for kicks and knees. Then choose standard (14 in across) or XL (18 to 20 in) for width and weight.

The seven PROLAST stock heavy bag sizes side by side at true scale, from 4 ft 80 lb to 6 ft XL 300 lb

We make seven stock heavy bag sizes in our factory in Whittier, California, from a 4 ft 80 lb bag to a 6 ft XL 300 lb. They differ in two ways: height, which decides how much of the bag you can hit from top to bottom, and width, standard or XL. Here is every size and how to choose between them.

Every size at a glance

Size Body height Across Around Filled weight
4 ft 48 in 14 in 44 in 80 lb
4 ft XL 48 in 18 in 56.5 in 135 lb
4 ft XL, four-panel 48 in 18 in 56.5 in 150 lb
5 ft 60 in 14 in 44 in 100 lb
5 ft XL 60 in 18 in 56.5 in 200 lb
6 ft 72 in 14 in 44 in 150 lb
6 ft XL 72 in 20 in 62.8 in 300 lb

Heights are the bag body, without the straps.

Height: 4, 5 or 6 ft

Height decides how much of the bag you can hit, from the top of it to the bottom.

Pick your height: 4, 5 and 6 ft bags, with 48, 60 and 72 in bag bodies (without the straps), to scale next to a 5 ft 10 in person

4 ft (48 in)

The shortest bags, for boxing work: straight punches, hooks and combinations.

5 ft (60 in)

More bag below the waist, so body shots and lower punches land on the bag too.

6 ft (72 in)

The longest bags reach lowest, which leaves room for kicks and knees as well as punches.

Width: standard or XL

Standard bags are 14 in across. XL bags are 18 in across, or 20 in for the 6 ft XL, so there is more bag to hit and more weight at the same height: the 4 ft XL weighs 135 or 150 lb, the 4 ft 80 lb. The 4 ft XL 150 lb is the same size as the 4 ft XL 135 lb, built from four vertical panels.

Standard or XL: 14 in across (44 in around) for 4, 5 and 6 ft, 18 in across (56.5 in around) for 4 ft XL and 5 ft XL, 20 in across (62.8 in around) for 6 ft XL, to scale. XL weights: 4 ft XL 135 or 150 lb, 5 ft XL 200 lb, 6 ft XL 300 lb

Weight

Filled weight goes up with size, from 80 lb for the 4 ft to 300 lb for the 6 ft XL. A heavier bag swings less for the same punch; a lighter one moves more. A common starting point is a bag around half your body weight, then up or down for how you train.

Filled or unfilled

Every stock size comes either way. Filled bags arrive at the weight in their name, packed with shredded cotton fabric; take some out if you want the bag softer. Unfilled bags arrive as an empty shell for you to fill.

What's inside: a cutaway red heavy bag full of shredded fabric. Filled bags arrive at the weight in their name; unfilled bags arrive empty, for you to fill

Hanging it

Each bag hangs from its straps on chrome D-rings. An optional bottom D-ring lets you tie the bag down for less swing on uppercuts, body shots and knee strikes.

The details: chrome D-rings, reinforced straps and seams, and an optional bottom D-ring to tie the bag down for less swing

Every stock bag up to the 5 ft XL 200 lb is within our ceiling mount's 250 lb rating; the 6 ft XL 300 lb needs the wall mount or a stand. Our guide on how to hang a heavy bag matches each size to the right mount and hardware.

Quick picks

If you mostly Look at
Punch and box 4 ft or 4 ft XL
Want body shots too 5 ft or 5 ft XL
Kick and knee 6 ft or 6 ft XL
Want less swing An XL size, or the bottom D-ring

Every stock size comes in eight colors: black, red, blue, black and gold, brown, yellow, green and smoke grey. Every size is also available as a custom heavy bag in your colors with your logo.

Eight colors: black, red, blue, black and gold, brown, yellow, green and smoke grey

What every stock bag has

  • Made in our own factory in Whittier, California
  • A 22 oz rip-stop vinyl-coated polyester shell
  • Shredded cotton fabric fill on filled bags
  • Chrome D-rings and reinforced straps and seams
  • A lifetime warranty
  • Free shipping in the contiguous US

Example bags

Frequently asked questions

What size heavy bag should I get?

Pick the height for what you train: 4 ft for punching, 5 ft to add body shots, 6 ft for kicks and knees. Then choose standard or XL for width and weight.

What is the difference between a 4 ft and a 4 ft XL bag?

Both are 48 in tall. The 4 ft is 14 in across and 80 lb; the 4 ft XL is 18 in across and 135 or 150 lb.

How heavy should my heavy bag be?

A common starting point is around half your body weight. Our stock bags run from 80 lb to 300 lb filled.

Which heavy bag is best for kicks?

A 6 ft bag reaches lowest, so it leaves room for kicks and knees. We make it in 150 lb and, as the XL, 300 lb.

Can I make a heavy bag softer?

Yes. Filled bags are packed with shredded cotton fabric; take some out to soften the bag.

Do the bags come filled?

Each stock size comes filled or unfilled. Filled bags arrive at the weight in their name.

Can I hang a 300 lb bag from a ceiling mount?

Not from ours: it is rated to 250 lb. Use the wall mount, rated to 500 lb, or a stand.

Products in this guide

Stock 4ft 80lb Heavy Bag

Black

From $130 unfilled

Stock 4ft XL 150lb Heavy Bag

Black

From $180 unfilled

Stock 5ft XL 200lb Heavy Bag

Black

From $250 unfilled

Stock 6ft XL 300lb Heavy Bag

Black

From $350 unfilled

Heavy bags, stands and mounts

Call +1 (213) 784-0037