Shield yourself from the fierce summer sun and feel the breeze with the Trail Cool Sun Hoody. Constructed with a comfortable and stretchy ultralight UPF 40+ fabric, our technical hoody is engineered to keep you cool while providing maximum sun protection.

Featuring a loose fit billowing hood and quarter-length opening for air flow, the Trail Cool Sun Hoody was built to let you breathe in the backcountry.

Check out the rest of our Trail Cool collection to discover our full lineup of breathable UL clothing.

Developed over 3,000 miles on the Continental Divide Trail & tested in the Alps, The Mirage Merino Sun Hoody is engineered to elevate your outdoor experience and be the pinnacle of natural ultralight sun protection and your go to base layer.

We’ve teamed up with Evolved Supply Co to create an expertly designed, ultra-comfortable, and lightweight sun hoody that provides superior sun protection, breathability, and advanced moisture management, ensuring you stay cool even during the most intense outdoor activities.

Thoughtful features include a quarter-zip to help regulate body temperature, a unique hood design to protect you from the sun while still allowing for air flow, and thumb holes that provide sun protection for your hands and prevent your sleeves from riding up.

Also available in a women's version here. Check out the rest of our Merino Collection.

Developed over 3,000 miles on the Continental Divide Trail and tested in the Alps, the Women’s Mirage Merino Sun Hoody is designed to deliver ultralight sun protection in a flattering, form-fitting silhouette.

Made in collaboration with Evolved Supply Co, it combines breathable merino performance with soft, technical comfort—available in a fresh selection of colors inspired by the trail and tailored for women.

Thoughtful details like a quarter-zip, airflow-optimized hood, and thumb holes ensure comfort and coverage from sunup to sundown.

Also available in a men's version here. Check out the rest of our Merino Collection.

We’ve teamed up with TownShirt Co to create a modern and minimalist take on the classic button-up shirt featuring a premium finish and a tastefully understated design.

From the boardroom to the backcountry, our ultralight long-sleeved button-up is the ultimate choice for adventurers looking for technical performance with a sophisticated look.

The roomy but fitted cut is hyper-breathable, keeping you cool on warm days with its airy design while providing maximum protection from the sun with a UPF 40+ rating.

The shirt’s stretchy 100% polyester fabric dries quickly and comfortably conforms to your body’s movements, allowing you to conquer the demands of any adventure.

Shield yourself from summer sun and feel the breeze with the Trail Cool T-Shirt. This short-sleeve top is crafted from soft, stretchy, ultralight UPF 40+ fabric, providing breathable coverage and fast-drying comfort for long-distance hikers and trail runners who log big miles in the heat.

Our Trail Cool polyester fabric is designed to let the air through and pack down tiny. A spare t-shirt doesn't add much weight or bulk to your backpack, gym bag, or travel kit.

This t-shirt runs a little bit long and loose which is good for air flow and coverage. Size down if you are typically between sizes.

Check out the rest of our Trail Cool collection to discover our full lineup of breathable UL clothing.