Women Outdoor Research Swift Lite Brimmer

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Lightweight, breathable, and built for movement.

Outdoor Research says: 

The Swift Lite Brimmer is made for long days spent under the sun. Built with lightweight and moisture-wicking bluesign® approved materials and thoughtful design elements, this hat is perfect for shielding UV rays during high-energy, high-output pursuits on the trail and in the alpine.

Made with a close-to-head fit, UPF 30, water-resistant DWR treatment, and a 3″ brim that gets wider at the back for extra coverage, the Swift Lite Brimmer delivers breathable, lightweight sun protection for the parts of your body most exposed to the sun––the face, ears, and neck. Its quick-drying fabric is perfect for sunny hikes or long days spent on the water or at the beach, and it’s packable and adjustable––easily tossed in a backpack or tote while providing a perfect fit.

Whether logging miles on the trail, camping in the alpine, or paddling on the lake, the Swift Lite Brimmer keeps your head, face, and neck cool and protected from sun up to sun down.

Our Verdict

At 73g, this is one of the lightest brimmed hats I’ve used that l provides decent coverage. The 3-inch brim is slightly longer at the back, adding extra neck protection without feeling floppy or getting in the way. It’s well-ventilated, with discreet side perforations that help manage heat during. The fabric is soft and quick-drying, and holds its shape nicely even after being crammed into a pack.

While there’s no chin cord, a discreet adjustment at the crown, combined with the stretchy fabric, keeps the hat securely in place. It holds well during movement, though on blustery ridgelines I’d consider adding a bit of cord for extra peace of mind.

– Reviewed by Ultralight Outdoor Gear

Features

• Breathable
• DWR Treatment
• Movement Mirroring Stretch
• Quick Drying
• Ultralight
• UPF 30
• Water Resistant
• Wicking
• 2025 Updated Fabric
• 3″ Brim Width
• Packable
• Side Panel Perforation for Venting

Specifications

• Small/Medium weighs: 67g
• Large/XLarge weighs: 77g

Material & Construction

• bluesign® approved 86%
• Polyester 14% Spandex

Help & advice:

• Recycled Content in Outdoor Gear
• The Bluesign System