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Bestseller

72-Hour Merino Polo in Navy

187 Reviews
$88

Color: Navy

Size: 
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3XL
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Merino wool performance polo for men that never itches and stays fresh no matter how many miles you put on it

Our bestselling 72-Hour collection is crafted from a New Zealand merino wool that’s infused with nylon to ensure it never shrinks in the washing machine. The ultimate travel polo in our arsenal does just as well as a merino wool base layer as it does on its own as performance polo—perfect for adventures that call for packing light and staying comfortable. Even after 72+ hours of constant wear, it’ll still pass the smell test thanks to the naturally odor-resistant and moisture-wicking properties of merino wool.


  • Cut from Proof’s premium 72 Hour merino fabric that combines unmatched comfort with technical performance
  • Two-button placket at neck with low-profile snaps in a matte black finish
  • Free collar rests around the neck and retains shape
  • Engineered fabric harnesses the incredible natural properties of merino wool to wick moisture, resist odors, and regulate temperature
  • Nylon reinforcement allows the merino fabric to be machine washed while retaining its shape for easy care throughout the life of the garment
  • Made in Indonesia with 16.5 micron wool sourced from New Zealand
  • 89% 16.5 micron merino wool, 11% nylon
  • Temperature regulating
  • Odor-resistant
  • Moisture-wicking
  • Machine washable

Sourced from industry leader Global Merino, the specialized merino/nylon blend used in the 72-Hour Merino Polo 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 from New Zealand farms (or as kiwis call ‘em, “stations”).

  • The 72-Hour Merino Polo has a slim fit that’s true to size, take your normal size
  • If you are between sizes, we recommend the larger size
  • If you prefer a roomier fit, size up
  • For the absolute best personal fit, measure one of your best fitting tees and compare to the garment measurements below

Garment Measurements

XS S M L XL XXL 3XL
Chest 37 39 41 43 45 48 51
Shoulder 16½ 17 17½ 18 18½ 19¼ 20
Sleeve: Shoulder to Sleeve Opening 8 9 10 10½
Body Length: High Shoulder to Bottom 26¼ 26¾ 27½ 28¼ 29 30 31
  • Machine wash cold
  • Tumble dry low
  • Do not bleach

Sprint and catch that train. Bike to your next meeting. Stretch out on that international flight. Thanks to innovative technical fabrics and thoughtful design, Proof’s smart, technical apparel rises to every occasion. Designed for work, play, and travel, Proof updates everyday essentials with the latest performance fabrics and construction techniques to help you get more out of your clothing—so you can get more out of yourself.

Email us at [email protected] for sizing guidance or other questions.

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