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AirExchange UPF 40 Performance Pants

Marmot

Current Price $90.00
Color
Color: Thunderhead
The brand says this runs true to size.
Size
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Details & care

These breathable, quick-dry pants are designed to keep you cool and comfortable on the trail even when the sun is beating down. Tough yet lightweight, the functional silhouette features pack- and harness-friendly pockets for convenient storage while you are logging miles or sending routes.

  • 31" inseam; 15 1/2" leg opening; 12" front rise (size XX-Large)
  • Snap closure; zip fly
  • Front patch pockets; back pockets
  • AirExchange performance fabric is breathable and quick drying for maximum comfort
  • UPF 40 sun protection
  • Partially lined
  • 100% recycled polyester
  • Machine wash, tumble dry
  • Imported
  • Item #11166458
  • Core Product ID 3333347QTC

Size info

  • The brand says this runs true to size.
  • Waist sizing; S=30-31", M=32-33", L=34-36", XL=37-39", XXL=39-42".
  • Get the fit you want. Book an appointment with our onsite experts or stop by your nearest store.

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Reviews

(14)144.3 out of 5
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Most helpful positive review

Oct 10, 2026

Light weight with UV Protection

[This review was collected as part of a promotion.]
Dave63
Verified purchase
Reposted from marmot.com

Most helpful critical review

Oct 15, 2026

Poor stitching quality

The seams on the back of the pants atop the rear pocket busted on both sides after the third wear before I could even take it out for a hike. I plan on returning these ASAP. Very disappointed
ABob28
Reposted from marmot.com
marmot.com response
Hello, thank you for sharing your feedback. We are sorry to hear that the seams on your Men's AirExchange UPF 40 Pants came apart after only a few wears. At Marmot, we strive to ensure that our products meet quality and durability standards, and we understand how disappointing this experience must have been. Your valuable feedback will be shared with our team for further review. If you need any assistance, please reach out to us via https://www.marmot.com/support/contact-us or through LiveChat. We’re available Mon-Fri, 9 AM - 5 PM EST Thank you, and please stay safe Marmot Consumer Care

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5 stars71%
4 stars7%
3 stars7%
2 stars7%
1 star7%
Oct 15, 2026

Poor stitching quality

The seams on the back of the pants atop the rear pocket busted on both sides after the third wear before I could even take it out for a hike. I plan on returning these ASAP. Very disappointed
Reposted from marmot.com
marmot.com response
Hello, thank you for sharing your feedback. We are sorry to hear that the seams on your Men's AirExchange UPF 40 Pants came apart after only a few wears. At Marmot, we strive to ensure that our products meet quality and durability standards, and we understand how disappointing this experience must have been. Your valuable feedback will be shared with our team for further review. If you need any assistance, please reach out to us via https://www.marmot.com/support/contact-us or through LiveChat. We’re available Mon-Fri, 9 AM - 5 PM EST Thank you, and please stay safe Marmot Consumer Care
ABob28
Oct 10, 2026

Light weight with UV Protection

[This review was collected as part of a promotion.]
Reposted from marmot.com
Verified purchase
Dave63
Oct 1, 2026

Not tough or durable - but it is comfortable.

[This review was collected as part of a promotion.] I purchased these pants because they were described as "tough yet lightweight" hiking pants for "when you're legging it out on the trail." However, these pants developed a hole in the back seat after wearing them on a single hike. These pants are not durable at all, but they were very lightweight and comfortable. I would recommend them for walks on the beach or possibly for golfing, but not hiking. This was my first purchase of Marmot brand outerwear and I was not impressed with the quality of the product as compared with the product's online description.
Reposted from marmot.com
marmot.com response
Hi! Thank you for sharing your experience with the Men's AirExchange UPF 40 Pants. We’re glad to hear that you found the pants lightweight and comfortable, but we’re truly sorry to learn that they didn’t meet your expectations for durability during your hike. At Marmot, we strive to create products that live up to their descriptions and perform well in the environments they’re designed for. Your feedback about the durability issue is incredibly valuable, and we’ll be sure to share it to improve future designs. We understand how disappointing this experience must have been, especially as it was your first purchase of Marmot outerwear. We’d be happy to assist you further, therefore please don’t hesitate to reach out to us via https://www.marmot.com/support/contact-us or through Live Chat. We’re available Mon.–Fri. 9am–5pm Eastern Time. Thank you again for your honest feedback. We hope to have the opportunity to provide you with a better experience in the future. Marmot Consumer Care
Silco
Sept 15, 2026

Lightweight pants

[This review was collected as part of a promotion.] Perfect lightweight pants for camping, lounging, golf or whatever
Reposted from marmot.com
Verified purchase
Varro
Sept 14, 2026

Love these pants

[This review was collected as part of a promotion.] Love these pants for fair weather hiking and travel. Just got back from a trip to Japan and wore these pants along with the Marmot Air Exchange Hoody. So comfortable.
Reposted from marmot.com
Verified purchase
yukiotokosama
Sept 8, 2026

Feel good to wear but not durable at all.

[This review was collected as part of a promotion.] Have had these pants for maybe 2 months. Worn them quite a bit maybe 1-2 times a week mostly for climbing and occasional hiking. Recently, just had to patch them as a hole started to form. Just now took them on a 3 night backpacking trip to which they felt great to hike it, but now unfortunately the back seems are already ripping. Really disappointed in the durability of these pants especially for how great they feel to wear.
Reposted from marmot.com
marmot.com response
Hello Wilder, Thank you for sharing your experience with the Men’s AirExchange UPF 40 Pants. We’re glad they’ve been comfortable for climbing, hiking, and backpacking, but we’re sorry to hear about the hole and seams beginning to come apart after only a couple of months. That’s certainly disappointing, and we appreciate your detailed feedback regarding the durability of the pants. Please, contact us directly to make a Warranty claim. For any other question, please reach out to the Help Center at https://help.marmot.com for more information about our products, use the contact form at https://marmot.com/support/contact-us, call 1-888-357-3262 for general inquiries or 1-888-311-2900 for warranty-related issues, or connect with us via Live Chat, available Monday to Friday, 9:00 a.m. to 5:00 p.m. Eastern Time. Have a great day, —Marmot Consumer Care
Wilder
June 20, 2026
[This review was collected as part of a promotion.] Comfortable and breathable. Fits to size. Dries quickly if it gets wet
Reposted from marmot.com
Verified purchase
Steven88
June 18, 2026

Comfy

[This review was collected as part of a promotion.] Lightweight and comfortable. I bought them specifically to wear in the summer. I haven't worn them in hot weather—since I prefer shorts when it's over 25°C—but they are comfortable to wear in New York during warm or windy summer and late-spring weather.
Reposted from marmot.com
deadpro
June 15, 2026

Air Exchange Pants

[This review was collected as part of a promotion.] My son has been wearing these for an outdoor summer job. The temp has been hitting 90 he says that he still feels comfortable and not overly hot. Great product!
Reposted from marmot.com
Verified purchase
lw77
June 13, 2026

Go Marmot

[This review was collected as part of a promotion.] Nice materail , perfect for Travel and Florida summers
Reposted from marmot.com
Verified purchase
FLMAN
June 6, 2026

New favorite pants

[This review was collected as part of a promotion.] These pants are wicked comfortable. Super light and airy. Used them on a couple of hikes and stayed nice and cool. Also super comfy for traveling and just bumming around the house. Now I want them in all the colors.
Reposted from marmot.com
Verified purchase
Mr_A
May 4, 2026

Great pants

[This review was collected as part of a promotion.] Terrific and comfortable pants. They fit perfect and are super breezy and lightweight. I wear them out hiking and around the house.
Reposted from marmot.com
Chicken Joe

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