Astroman Long-Sleeve Sun Shirt - Men's
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Stay cool and protected under any sun with the Astroman LS Sun Shirt's stretch and ventilation
What Our Gearhead® Experts Are Saying:
"I love the Astroman LS Sun Shirt for everything from desert hikes to alpine approaches. It's lightweight, super breathable, and offers enough stretch that I never feel restricted when scrambling or casting a fishing line. Plus, the built-in UPF protection gives me one less thing to worry about on long days outside."
Whether we're hiking exposed ridgelines or paddling along sunny coastlines, the Astroman LS Sun Shirt from Outdoor Research keeps us shielded and comfortable. Built with lightweight, stretchy fabric and boasting UPF 30+ sun protection, this shirt lets us move freely and confidently without overheating under the sun's full force.
The technical blend of nylon, spandex, and polyester delivers both abrasion resistance and breathable comfort, while strategically placed snaps and underarm gussets enhance mobility and venting. Hidden features like the zippered chest pocket and snap-up collar offer extra versatility, making it a staple whether we're climbing, trekking, or traveling.
Details
- Lightweight, stretchy sun shirt designed for active outdoor pursuits
- Built-in UPF 30+ (light colors) to 50+ (dark colors) sun protection shields against harmful UV rays
- Quick-drying and moisture-wicking fabric keeps us cool and dry
- Gusseted underarms and stretch construction enhance mobility
- Snap front closure and adjustable cuffs for versatile wear
- Hidden zip chest pocket stashes essentials securely
- Recommended for hiking, climbing, fishing, and travel adventures
- Item #ODRZ8E0
- Material
- 85% nylon, 15% spandex
- Fit
- regular
- Center Back Length
- [medium] 28in
- Style
- button-up
- Pockets
- 1 chest
- UPF Rating
- 30+
- Claimed Weight
- [medium] 7oz
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 195 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.Customer Images
Here's what customers have to say
The shirt is lightweight, breathable, and provides good sun protection, making it suitable for various outdoor activities and casual wear. Many users praise its comfort and quick-drying fabric. However, some report issues with durability, such as pilling and snaps pulling through the material after repeated use. The fit may also run larger than expected for some.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageSeptember 7, 2025
Great shirt, minor flaws
Love this shirt: light weight, looks good, performs well. Only issue is the material snags easy out in the brush. Be conscious of that and you'll be fine. I've had the shirt a few seasons and it continues to hold up well with some minor pilling. Rotated between 2 of these for a week long mountain bike trip through the Utah high desert. Worked perfectly to avoid being slathered in sunscreen and despite the heat, it was comfortable for all day wear.
Originally reviewed on ExpertVoice.com
September 4, 2025
Comfy sun shirt
Nice and fashionable sun shirt. The material is thin and dries quickly. The fit is a bit larger than expected
Originally reviewed on ExpertVoice.com
August 19, 2025
New favorite
Absolutely love the material this shirt is made of and how it fits. It is slightly tapered. It looks professional, but also is durable and just stretchy enough for it to be used as active wear. I wear mine for work and also when hiking. I bought a second one because I liked it so much. I cannot recommend this button down enough. The shirt is cooling and will keep you dry in the summer.
Originally reviewed on ExpertVoice.com
August 3, 2025
Light and soft
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- XXL
I can’t speak to the durability yet, but the fit and feel is great.
July 1, 2025
Amazing feel and stretch!
I wear these everywhere!! On the trail, fishing, backyard, anywhere outdoors. Its got an incredible feel and stretch. Its pretty good at breathing but not elite. However ill take the heat in exchange for the great look, snaps, and collar. I even wear these to work in 100 degree days over the summer. Go get one they look and feel great.
Originally reviewed on ExpertVoice.com
June 30, 2025
Ran smaller than I had expected. More of a summer dress shirt than a work shirt I intended it for.
Originally reviewed on ExpertVoice.com
June 30, 2025
This shirt keeps me protected from the sun and keeps me cool. I work construction and wear these on the days I have meetings with customers. I would highly recommend this shirt
Originally reviewed on ExpertVoice.com
April 24, 2025
Most comfortable summer dress shirt ever...I wear it to work, church and out.
Originally reviewed on ExpertVoice.com
April 19, 2025
New favorite hiking shirt
I wore this shirt hiking in the Utah National Parks this month and it was the absolute best piece of gear to bring. Quick drying, incredibly breathable, and protected me in the 85 degree sun. I wore it most days while wearing a pack and there’s absolutely no pilling on the fabric where the pack made contact
Originally reviewed on outdoorresearch.com
April 19, 2025
UPF Rating is only 30
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- S
- Height:
- 5' 9"
- Weight:
- 145
I noticed that this shirt is thin. Backcountry's product description says UPF rating is 50+. Yet, the tag says UPF of 30.
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