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Basement - Outdoor Research Astroman S/S Sun Shirt

Weighs 126g (Medium size)
Code: SS20362
  • £49.99
  • (FREE Delivery on orders over £15)
  • RRP £79.99
+ In Stock Now | Usually dispatched within 24 hours


Outdoor Research's classic Astroman shirt is loose fitting, with stretch. Lightweight with press stud front closure and great venting for warm conditions.

Outdoor Research says:

The best-selling lightweight sun shirt that offers UPF protection and ultimate stretch for exposed climbs and sun-drenched hike.

Inspired by one of the hardest long free climbs in Yosemite Valley, El Cap veteran Hans Florine collaborated with our design team to create the perfect woven technical shirt. Built with UPF 50+ sun protection, this shirt will protect you from harsh rays while big wall climbing, and is stripped of sleeves for less weight and better hand jamming. Additional sun protection comes from the shirt’s Sun Snap Collar™, which folds up and snaps in place to shield your neck from solar rays.

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Outdoor Research's Astroman S/S Sun Shirtshirt is loose fitting, as you would expect for a trekking shirt, and yet the fabric also has stretch, this means that it moves with you even when you need to reach or twist. It makes the shirt feel really comfortable.

With the Astroman you get good wicking, breathable and fast drying fabric that works really well in warmer conditions and for outdoor activities where these are vital for staying comfortable. The vents on the back are another good feature for coping with heat, along with the UPF 50+ sun protection. 

- Reviewed by Ultralight Outdoor Gear

  • Fabric Performance: Movement-Mirroring Stretch, Wicking, Quick Drying, Breathable, Lightweight, UPF 50+
  • Design Features: Left Welt Chest Pocket, Tonal Rubber Snap Front Closure, AirVent™ Inner Back Yoke, Shirt Tail Hem

By placing quality first, we can offer the finest guarantee in the industry for each and every product – the Outdoor Research Infinite Guarantee™. We believe so strongly in the quality of the apparel and gear we make that if our product fails to meet your needs at any time, we are happy to replace it. Our products are guaranteed forever.

  • Small weighs: 118g
  • Medium weighs: 126g
  • Large weighs: 134g
  • XLarge weighs: 144g
  • XXLarge weighs: 152g
  • Fit: Standard
  • Back length: 29 ½” / 75 cm


  • 85% nylon, 15% spandex
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