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The Sunday Afternoons Ultra Storm Boonie is a waterproof, sun-protective, all-weather hat for outdoor activities. It features a 10k waterproof membrane and a UPF 50+ sun rating.
Sunday Afternoons says:
Why let rain, sleet, or snow interfere with your plans? The Ultra Storm Boonie makes inclement weather easy to navigate with 100% waterproof and UPF 50+ sun protection in the classic Boonie silhouette. Made from breathable, fully-seam-taped fabric with a PFAS-free durable water repellent finish and an integrated mesh liner, the waterproof membrane keeps you dry and reflective details offer protection while you play.
Our Verdict
The Sunday Afternoons Ultra Storm Boonie is an all-weather hat that seamlessly blends waterproof technology with sun protection. It is an ideal companion for hikers, campers, and anyone who enjoys spending time in the outdoors.
At the heart of the Ultra Storm Boonie is its impressive waterproof capability. The hat boasts a 10k waterproof membrane and fully seam-taped fabric, shielding wearers from rain and snow. Complementing this is a UPF 50+ sun rating, ensuring protection against harmful UV rays on more apparent days.
The Ultra Storm Boonie's design prioritises comfort. The integrated wicking mesh liner enhances breathability, while the adjustable sizing allows for a customised fit. Despite its robust protection, the hat remains lightweight at just 86-91g, depending on size.
Environmentally conscious outdoor enthusiasts will appreciate the PFAS-free, durable water-repellent finish. Safety features include reflective details for improved visibility in low-light conditions.
The classic Boonie silhouette and a generous brim (2¾" front and side, 3½" back) provide ample coverage without sacrificing style. Whether facing unexpected showers or intense sunlight, the Sunday Afternoons Ultra Storm Boonie stands ready to keep outdoor adventurers comfortable and protected in various weather conditions.
- Reviewed by Ultralight Outdoor Gear
Features
- 100% waterproof, breathable, fully seam-taped fabric
- 10k waterproof membrane protects from rain and snow
- PFAS-free durable water repellent
- 2¾" front and side, 3½" back brim (7cm front and side, 9cm back brim)
- Reflective details
- Integrated wicking mesh liner
- Adjustable sizing
- UPF 50+ sun rating
Specifications
- Medium weight: 86g
- Large weight: 91g
- Medium Fits: 22" - 23"
- Large Fits: 23" - 25"
- Brim: 2¾" front and side, 3½" back brim
Material & Construction
- Body: 88% Nylon, 12% polyester
- 10k waterproof membrane
- PFAS-free
