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Patagonia Nine Trails Short-Sleeve Shirt - Men's

Item # PAT00LU

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Item # PAT00LU


A wolf in runner's clothing.

Patagonia's Nine Trails Men's Shirt is a performance shirt disguised as a casual tee, so you can go for a run, head to the office, or grab a bite without worrying about what you're wearing. The lightweight polyester is treated with an antimicrobial Polygiene finish to fight off stink, while the gusseted underarms give you the freedom to pump your way through the last mile or grab the attention of the barkeep.

  • Lightweight polyester jersey
  • Polygiene odor control
  • Underarm gussets
  • Tagless
  • Reflective logo

Tech Specs

100% polyester jersey
yes, Polygiene
yes, logo
Claimed Weight:
4.7 oz
Recommended Use:
hiking & camping, running, casual
Manufacturer Warranty:

Size Chart


Men's Outerwear & Apparel
Chest 34 - 35in
(86 - 89cm)
35 - 37in
(88.9 - 94cm)
38 - 40in
(96.5 - 101.6cm)
42 - 44in
(107 - 112cm)
46 - 48in
(116.8 - 121.9cm)
50 - 52in
(127 - 132.1cm)
54 - 56in
(137.2 - 142.2cm)
Neck 14 - 14.5in
(35.5 - 37cm)
15 - 15.5in
(38 - 39cm)
15.5 - 16in
(39 - 40.5cm)
16.5 - 17in
(42 - 43cm)
17 - 17.5in
(43 - 44.5cm)
17.5 - 18in
(44.5 - 45.75cm)
Sleeve 32in
Waist 28in
29 - 30in
(73.5 - 76cm)
31 - 33in
(79 - 84cm)
34 - 36in
(86 - 91.5cm)
38 - 40in
(96.5 - 101.5cm)
42 - 44in
(107 - 112cm)
46 - 48in
(116.8 - 121.9cm)
Inseam* 31in
*When inseam lengths are offered, "short" is 30in, "regular" is 32in, and "long" is 34in.
4 - 6 8 - 10 12 - 14 14 - 16  
Formfitting: Conforms to the body's contours.
Slim Fit: Closer fitting. Slim-fitting technical garments may be worn over baselayers and light midlayers.
Regular Fit: Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers. Men's regular fit pants have a slimmer fit through the thigh, lower leg, and cuff.
Relaxed Fit: Drapes loosely on the body. Men's relaxed fit pants have a bit of extra room through the hip, thigh, lower leg, and cuff.
How to Measure:
Measurements refer to body size, not garment dimensions. For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Measure around your natural waistline, keeping the tape a bit loose.
Inseam varies depending on style; when lengths are offered "regular" is 32in (81cm) and "long" is 34in (86cm) unless otherwise noted. Using pants that fit well, measure the crotch seam to the bottom of the leg.
Measure from the center of your back to your wrist with arms held out.

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In Between Sizes

    I really wanted to like this shirt, the fabric is amazingly soft and still breathable. The fit just wasn't for me unfortunately, as the medium was too tight and the large too loose. I will try this shirt out at a later date, but right now it just wasnt for me. Seemed like a great casual or workout shirt though!

    I just got my 6th

    • Familiarity: I've put it through the wringer
    • Fit: Runs small
    • Size Bought: small

    I'm throwing away all my other shirts, and now my dresser is filled with all sorts of Nine Trails shirts and I couldn't be happier. Easily the best t shirt I've ever used. A bit on the expensive side but definitely worth it. I've done a few runs in them but prefer to use it for my everyday shirt. I really don't understand how they can make it so soft but still hold the original shape after so much use.

    Email me directly with all your Patagonia questions -

    Stays Fresh with Polygiene

      Odor Free. Climate Smart. bluesign® approved. Polygiene permanent odor control stops the growth of odor-causing bacteria on fabrics, so you can wear more and wash less.

      Watch the video to learn more!

      Softest Shirt Ever

      • Familiarity: I've used it several times

      This is one of the softest shirts I own. It works great for running and working out, but still looks good to run errands around town. This shirt definitely delivers on the quality that you come to expect from Patagonia.

      Ideal Bike Shirt

      • Familiarity: I've put it through the wringer
      • Fit: True to size
      • Size Bought: Large

      This shirt breathes really well, and the fit is great. It's also incredibly soft.

      great shirt

      • Familiarity: I've used it several times
      • Fit: True to size

      I have this shirt in a few different colors now. love the style and fit!

      The perfect t-shirt

      • Familiarity: I've put it through the wringer
      • Fit: True to size
      • Size Bought: Medium

      I now own two of these and they are easily my favorite t-shirt. They are great for running, biking, yoga, hiking, or just hanging out. The wicking on these is excellent and the fit is really comfortable, not too tight or baggie. Just right.

      I really love that these dry quickly and can easily transition from a trail run to hanging out in town with friends. They look good and feel good. Highly recommend it!

      Versatile Shirt for Any Outdoor Pursuit

      • Familiarity: I've put it through the wringer
      • Fit: True to size
      • Size Bought: medium

      I use this shirt primarily for biking and hiking, but its so soft and comfortable that lounging on the couch with it is also a great option. Keeps you cool in warm conditions and wicks away moisture well.

      Great Shirt

      • Familiarity: I've put it through the wringer
      • Fit: True to size
      • Size Bought: Large

      Great, comfortable t-shirt.

      Awesome shirt as a layer or stand alone

      • Familiarity: I gave it as a gift but have feedback to share
      • Fit: True to size
      • Size Bought: Medium

      Gave my brother in-law one of these as a gift. He loves the fit, material and how well it pairs with a 1/4 zip as a versatile trail running layer. Awesome shirt!

      Feels like a broken in cotton shirt

      • Familiarity: I've used it once or twice and have initial impressions
      • Fit: True to size
      • Size Bought: Medium

      If you want a "capilene" shirt that actually looks and feels like a t-shirt, this is the one you want. It is entirely passable as a "normal" t shirt, while providing the technical benefits you are looking for. Very quick drying.

      I used to daily wear Capilene 2 shirts (when they had a woven look), but stopped once they started looking and feeling like gym shirts. The Nine Trail will be my new go to.

      Fit seems to be the same as the rest of the Patagonia Slim stuff.

      My only complaint is that the black color is not actually black; it's a nearly identical grey to the carbon. The pictures are accurate, but the name is not. It would be fantastic if they put out an actually black model, because you can never have enough black t-shirts.

      Another home run for Patagonia!

      • Familiarity: I've put it through the wringer
      • Fit: True to size
      • Size Bought: Large

      Great multi use shirt, wear it hiking, biking or climbing the head in to town for dinner without getting kicked out of the place for stinkin up the joint. You'll blend right in, sizing fits just like my other short sleeve Patagonia shirts. Wicks really well too.