Montane Long Sleeved Self Guided Sun Shirt – Past Season Colours

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Designed for long days under an exposed sky, the Self-Guided Sun Shirt is built to keep you cool, covered, and comfortable without overcomplicating things.

Patagonia says: 

The do-it-all Men’s Long-Sleeved Self-Guided Sun Shirt combines intuitive, on-the-water/trail performance with 40+ UPF sun protection and breezy, all-day comfort. Stretchy, quick-drying 100% recycled polyester fabric moves athletically, stays cool and looks snazzy in any situation. Made in a Fair Trade Certified™ factory.

Our Verdict

Patagonia’s Long-Sleeved Self-Guided Sun Shirt is one of those shirts that genuinely balances function and comfort on hot, active days. At 237g (size M), it’s made from 100% recycled polyester with mechanical stretch, offering good freedom of movement and impressively quick drying. The UPF 40+ rating is reassuring when you’re in and out of direct sun. I particularly appreciate the open venting across the back—it noticeably improves airflow when things heat up. The double-layer collar stands up neatly for extra neck coverage, a welcome feature on bright, windless ridges.

As a glasses wearer, I love the integrated lens cleaner stitched into the hem—it’s small, subtle, and useful. The shirt runs on the relaxed side, so you might want to size down if you prefer a closer fit. While it’s not something I’d grab for cooler or high-output conditions, it’s ideal for steady walking, paddling, or staying comfortable while in the sun.

– Reviewed by Ultralight Outdoor Gear

(Unfortunately, we are unable to ship Patagonia products outside of the European Area (defined as the European Economic Area plus Switzerland and the UK)) 

Features

• Comfortable, lightweight, quick-drying 100% recycled polyester plain weave with 40+ UPF sun protection and mechanical stretch for easy movement
• Two vertical chest pockets with corrosion-resistant zippers fit fly boxes; two button-closure chest pockets keep essentials close, and there’s a hidden tool dock under the right-chest pocket flap
• Double-layer collar converts to a stand-up collar for additional sun protection, and hidden snaps at the collar points eliminate flapping in the wind
• Open venting across the back and shoulders increases airflow for cooling comfort in steamy weather
• Extended hem stays in place while casting, rowing or hiking to enhance comfort and sun protection, and the shirt won’t bunch or ride up when worn with hip packs
• Integrated, intuitively positioned, easy-access lens cleaner is sewn in at the front hem to ensure clean optics without having to search for your lens cloth
• Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor

Specifications

• Small weighs: 226g
• Medium weighs: 237g
• Large weighs: 253g
• XLarge weighs: 270g
• Fit: Regular Fit

Material & Construction

• 3.5-oz 100% recycled polyester stretch plain weave with a wicking finish and 40+ UPF sun protection.
• Made in a Fair Trade Certified™ factory