The award-winning Astroman Sun Shirt is the lightweight, stretchy, and ultra durable fabric packed with the highest rating of UPF 50 sun protection. Named after the legendary climb in Yosemite Valley, the Astroman was built for exposed and rugged climbs, but works equally as well for hiking, paddling, backpacking, bushwhacking, or any other activity when you're headed out in the blazing sun.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product. Get your gear back on track by filing a claim on our Warranty Page
Have a question? Problem? Other request? We’re here to help you find a solution.
Our customer service is waiting for your call at 855-967-8197, on weekdays Monday-Friday between 8am-5pm PST. If you prefer email, you can send your query to info@outdoorresearch.com
Thanks for getting in touch. We can’t wait to get you back outside with your gear.
Size & fit guide
Men’s Tops
Measurement shown in:In
Cm
XS
S
M
L
XL
XXL
XXXL
Chest
Measure under your arms around the fullest part of your chest.
33.5”-36”85-91
36”-38.5”91-98
38.5”-41.5”98-105
41.5”-44.5”105-113
44.5”-48”113-122
48”-52”122-132
52”-56”132-142
Waist
Measure around your natural waistline, keeping the tape a bit loose.
26.5”-29”67-74
29”-31.5”74-80
31.5”-34.5”80-88
34.5”-37.5”88-95
37.5”-41.5”95-105
41.5”-45.5”105-116
45.5”-50”105-116
Hips
Measure around the fullest part of your body at the top of your leg.
32.5”-35”83-89
35”-37.5”89-95
37.5-40.5”95-103
40.5”-43.5”103-110
43.5”-46”110-117
46”-49.5”117-126
49.5”-53”126-135
ARM LENGTH
With your hand on your hip; Place the end of the tape at the center point of the base of neck. Run the tape over your shoulder, along arm to the elbow and end at the meaty part of your hand.
30"76
31"79
32"81
33"84
3486
35"89
36"91
*All sizing is based on your body measurement. We adjust the garment for intended fit and intended use.
