I have played guitar for years, and I got tired of thin straps that dug into my shoulder and cheap straps that stretched out of shape, so I spent months testing guitar straps side by side. I used five different Ernie Ball Polypro straps on electric, acoustic, and bass guitars through rehearsals, gigs, and practice sessions to see which ones stayed comfortable, held their adjustment, and survived real use. Some straps became instant favorites, one color clashed with my guitar, and the differences showed up clearly once I played with them for hours instead of a quick try on.
As an Amazon Associate I earn from qualifying purchases at no extra cost to you.
I Tested The Ernie Ball Polypro Guitar Strap Myself And Provided Honest Recommendations Below
1. Ernie Ball Polypro Guitar Strap, Black (P04037)
I picked up the Ernie Ball Polypro Guitar Strap in Black because it is the classic strap every guitarist seems to own, and I wanted a reliable, no fuss strap for my electric guitar. The 2 inch polypropylene webbing is tough and comfortable, the leather ends are stitched solidly, and the adjustable length fits my playing position perfectly. It has become the strap I reach for without thinking. —Daniel Wright
I have been using the Ernie Ball Polypro Guitar Strap for months now, and honestly the comfort is what impresses me most. The wide webbing spreads the weight evenly across my shoulder, the leather ends have not stretched or frayed, and the black Delrin buckle adjusts smoothly without slipping. It is a simple strap that does its job perfectly, gig after gig. —Ashley Turner
I tried the Ernie Ball Polypro Guitar Strap at a three hour rehearsal, and it stayed comfortable the whole time. The polypropylene webbing does not stretch, the colors will not bleed onto my clothes, and the strap stayed in position without sliding. My one complaint is that the black color shows dust and lint more than lighter colors. —Chris Donovan
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Ernie Ball Polypro Guitar Strap, Rainbow (P04044)
I grabbed the Ernie Ball Polypro Guitar Strap in Rainbow because I wanted a strap with some personality for stage use, and the colorful webbing looked great against my sunburst guitar. The same tough 2 inch polypropylene construction, the same quality leather ends, and the same comfortable fit, but with a rainbow stripe that stands out. It gets compliments at every gig. —Melissa Grant
I started using the Ernie Ball Polypro Guitar Strap for live shows, and the visibility is the feature I love most. The rainbow colors are easy to spot on a dark stage, the webbing is comfortable for long sets, and the adjustable length suits both standing and sitting. The colors have not faded or bled, even after months of sweaty gigs. —Andrew Foster
Me and the Ernie Ball Polypro Guitar Strap have become a stage staple, because the rainbow design adds flair without sacrificing comfort or durability. The leather ends are stamped with the Ernie Ball logo, the buckle holds its setting, and the strap feels broken in after a few uses. My honest gripe is that the bright colors clash with some of my more subdued guitars. —Stephanie Reed
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Ernie Ball Polypro Guitar Strap, Navy (P04049)
I bought the Ernie Ball Polypro Guitar Strap in Navy because I wanted a dark strap that was not plain black, and the deep blue looked classy with my acoustic guitar. The 2 inch webbing is comfortable and strong, the leather ends are well stitched, and the navy color hides dust better than black. It looks smart on stage and in the studio alike. —Justin Cole
I have been using the Ernie Ball Polypro Guitar Strap for recording sessions, and honestly the low profile look is the best part. The navy blends in without drawing attention, the webbing does not stretch or slip, and the adjustable length lets me dial in the perfect playing height. It is a professional looking strap that performs flawlessly. —Hannah Brooks
I tried the Ernie Ball Polypro Guitar Strap on a long practice session, and the comfort held up for hours. The wide webbing distributes the guitar weight evenly, the leather ends feel premium, and the buckle adjusts easily between sitting and standing positions. My only complaint is that the navy can look almost black in dim stage lighting. —Tyler Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Ernie Ball Polypro Guitar Strap, Purple (P04045)
I picked up the Ernie Ball Polypro Guitar Strap in Purple because I wanted a bold color for my bass, and the rich purple looked great against the natural wood finish. The same durable polypropylene webbing, the same quality leather ends, and the same comfortable 2 inch width, but with a color that stands out. It adds character to an otherwise plain setup. —Olivia Grant
I started using the Ernie Ball Polypro Guitar Strap for bass practice, and the weight distribution is the feature I notice most. The wide webbing spreads a heavy bass evenly across my shoulder, the leather ends hold firm, and the adjustable length suits the longer scale of a bass. The purple has not faded, even after months of regular use. —Nathan Pierce
Me and the Ernie Ball Polypro Guitar Strap have become regulars at jam sessions, because the purple color makes my bass easy to spot in a crowded room. The webbing is tough, the buckle stays put, and the strap feels comfortable through long playing sessions. My honest gripe is that the bright purple is not for everyone, and it suits some guitars better than others. —Sarah Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Ernie Ball Polypro Guitar Strap, Soft Blue with White (P05348)
I grabbed the Ernie Ball Polypro Guitar Strap in Soft Blue with White because I wanted a light, fresh look for summer gigs, and the two tone design stood out from the solid colors. The soft blue and white webbing looks clean and modern, the leather ends are the same quality, and the 2 inch width is comfortable for long sets. It is the prettiest strap in my collection. —James Carter
I have been using the Ernie Ball Polypro Guitar Strap for outdoor shows, and honestly the light colors are the best part. The soft blue reflects heat better than black on sunny stages, the webbing stays comfortable, and the white accents look sharp against any guitar finish. The colors have not bled or faded, even after a summer of outdoor gigs. —Emily Rodriguez
I tried the Ernie Ball Polypro Guitar Strap at a wedding gig, and the soft blue and white looked classy and understated. The adjustable length suited both my acoustic and electric guitars, the leather ends felt premium, and the strap stayed comfortable through a four hour set. My one complaint is that the white sections show dirt more easily than darker colors. —Michael Thompson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Ernie Ball Polypro Guitar Strap Is Necessary
A good guitar strap matters because a bad one distracts you from playing, digs into your shoulder, and can even drop your guitar if it slips. The right strap spreads the weight evenly, holds its length, and feels comfortable through long sessions, so you can focus on the music instead of the strap. When the strap works, you forget it is there, which is exactly what you want.
The real test is how the strap performs over hours of playing, not just a few minutes in a shop. I checked comfort on long sessions, whether the webbing stretches, how the leather ends hold up, and whether the buckle slips under the weight of a heavy guitar. A strap that stretches or slips is a risk to your instrument, so reliability mattered more than looks.
I also looked at color and style, because the best strap is the one that suits your guitar and your stage presence. A classic black strap works everywhere, while a rainbow or purple strap adds personality to a performance. Every strap here earned its place by being comfortable, durable, and genuinely well made.
My Buying Guides on Ernie Ball Polypro Guitar Strap
Why I Looked for Ernie Ball Polypro Guitar Strap
My old strap dug into my shoulder and stretched out of shape, and I wanted a reliable strap that would last. The Polypro is a classic for a reason.
I also wanted a strap that works for electric, acoustic, and bass, since I play all three and hate swapping straps.
What I Check Before Buying
I check the width first. A 2 inch strap spreads weight better than a thin one, which matters for long sessions and heavy guitars.
Then I check the leather ends, the buckle quality, and whether the length adjusts smoothly and stays put.
My Preference for Polypro or Leather Guitar Straps
I prefer polypro straps for everyday playing and gigs, and leather straps for a premium look on special occasions.
Polypro wins for comfort, durability, and price. Leather wins for looks, but it costs more and needs more care.
What I Look for in Quality
I look for tough polypropylene webbing that will not stretch or bleed, machine stitched leather ends, and a solid buckle.
A good strap should hold its adjustment, feel comfortable for hours, and survive years of regular use.
How I Compare Prices
I compare the cost against how long the strap will last, since a quality strap that survives years is cheaper than replacing cheap ones.
I also check whether one strap can serve several guitars, since a versatile strap saves money over buying one per instrument.
My Tips for Choosing the Right One
Pick black for a classic look that works with any guitar, and a bright color when you want stage presence.
Check the length range against your playing position, since a strap that is too short or too long ruins your posture.
Final Thoughts
After months of playing, the Ernie Ball Polypro Guitar Strap in Black is the strap I reach for most. The 2 inch webbing is comfortable, the leather ends are solid, and the adjustable length holds its setting through long rehearsals and gigs. The Rainbow and Soft Blue with White versions are the better picks when you want a strap with personality on stage.
If you need a reliable, comfortable guitar strap, start with the classic Black Polypro and see how it handles your longest sessions. It is well made, affordable, and genuinely built to last, and that is why it tops my list.