Proof
72-Hour Merino Polo Shirt
72-Hour Merino Polo Shirt
Story
Merino performance polo shirt that never itches and stays fresh for miles
For adventures that call for packing light and minimizing laundry days, our bestselling 72-Hour Merino Polo shirt is overqualified for the job. It’s spun from merino wool with a nylon core for comfort that’ll last. Even after 72+ hours of constant wear, it’ll still pass the smell test thanks to its naturally odor-resistant and moisture-wicking properties.
Features
- Cut with thermoregulating, odor-resistant, moisture-wicking merino wool
- Rated UPF 30+ for sun protection
- 3-button placket at neck with low-profile snaps in a matte black finish
- Free collar rests around the neck and retains shape
- Machine washable thanks to nylon fabric reinforcement
Sizing
- The 72-Hour Merino Polo has a classic fit, take your normal polo size
- Wool-based products will shrink slightly in a conventional washer and dryer, so we recommend either cold/gentle washing and air drying, or taking the next size up to compensate
- For the best personal fit, compare the measurements of one of your best-fitting shirts to the garment measurements below
Garment Measurements
| XS | S | M | L | XL | XXL | 3XL | |
|---|---|---|---|---|---|---|---|
| Chest | 38 | 40 | 42 | 44½ | 47 | 50 | 53½ |
| Shoulder Width | 17 | 17½ | 18 | 18⅝ | 19¼ | 20 | 20⅞ |
| Body Length | 26¾ | 27¼ | 28 | 28¾ | 29½ | 30¼ | 31 |
| Sleeve Length | 16⅜ | 16⅞ | 17⅜ | 17⅞ | 18⅜ | 18⅞ | 19⅜ |
All measurements are in inches.
How to Measure - Garment Chest: measure on a shirt from side to side starting 1” under the armpit, multiply by 2 - Shoulder Width: measure on a flat shirt across the top shoulder from seam to seam - Body Length: measure on a shirt from the high shoulder to the bottom hem - Sleeve Length: measure on a shirt from the center back to the cuff opening
Materials & Care
- 87% 16.5 Micron merino wool, 13% Nylon, 150gsm
- Made in Indonesia
- Sourced from industry leader Indorama, the specialized merino/nylon blend used in the 72-Hour Collection is the cutting edge of technical fabrics that doesn’t sacrifice comfort for performance. It not only takes advantage of the amazing natural properties of wool, but strengthens them with nylon for a truly impressive fabric. Sustainably sourced.
- Machine wash cold on gentle with mild detergent. Tumble dry low or air dry to avoid shrinkage. Do not use softener or bleach.
About The 72-Hour Collection
The team at Proof created performance gear that can be worn for 72 hours straight without showing any signs of wear—or, you know, odor. It’s built from the softest and strongest merino wool on the planet. To back up that claim, we’ve packed pieces from the 72-Hour Collection on demanding excursions around the world—from Iceland and the Swiss Alps to Mexico City and even our own backyards. Turns out, this temperature-regulating gear isn’t just for adventure, it’s also a bestselling pick for everyday wear.
The Sweat Test Guarantee
Put your new Proof gear through its paces. If it does not meet your expectations, we'll accept your dirty laundry and issue a refund, no questions asked.
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