#2 on this list
Helios Sun Hat
Outdoor Research
The Outdoor Research Helios Sun Hat strikes the ideal balance between wide-brim coverage, featherweight construction, and packability. It is designed for hikers who want 360-degree shade across the face, ears, and neck without the bulk or stiffness of traditional expedition hats. Weighing in at under three ounces, you can crush it into a backpack sleeve or dry bag, and the foam-stiffened brim bounces right back to its original circular profile without stubborn creases. The Helios uses a UPF 50+ ripstop fabric that handles abrasion from low-hanging branches and brush well. Its under-brim uses a darker fabric treatment to swallow blinding ground glare, which pays dividends when hiking over granite slabs, white sand, or around water. A simple one-handed drawcord at the rear allows you to dial in crown tension, while a sturdy chin cord keeps the hat anchored when winds whip across an open saddle. Because the brim is relatively flexible foam, it will fold up in strong head-on gusts or sustained high winds. It does not catch wind as violently as a rigid brim, but the front can occasionally flap down into your field of view during a headwind. For moderate conditions, forest travel, and standard summer backpacking, it remains one of the easiest hats to live with. **Highlights** - Flexible foam-stiffened brim rebounds cleanly after being packed away - Dark fabric under-brim reduces ground and water glare - One-handed rear adjustment cord dials in a secure, custom crown fit - Broad chin strap with cord lock holds hat secure in alpine winds - Lightweight, quick-wicking headband handles sweat saturation **Watch-outs** - Front brim can flap or buckle inward against direct, stiff head-on gusts - Crown lacks large mesh cutouts, relying mostly on breathable main fabric
- Price
- $65 MSRP
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
#3 on this list
LTM6 Airflo Hat
Tilley
The Tilley LTM6 Airflo represents the peak of old-school craftsmanship merged with intelligent technical design. Handcrafted with heavy-duty recycled nylon, it feels far more substantial than the paper-thin nylon hats common on the trail today. If your hiking routes involve punishing brambles, relentless maritime exposure, or paddling wide-open waters, the LTM6 is virtually indestructible. Tilley backs it with their famed lifetime guarantee, and it earns every bit of that reputation in long-term durability. The standout engineering is the 3/4-inch mesh band integrated directly into the crown's top circumference. This mesh acts as an exhaust port, letting rising heat escape continuously while the solid UPF 50+ top disc keeps overhead radiation off your scalp. Tilley builds closed-cell foam into the crown and brim, meaning the hat floats if dropped into a river or surf zone. Its brim has just enough stiffness to maintain its silhouette against stiff crosswinds without acting like a sail. That tank-like construction comes with weight. It is noticeably heavier on the head than ultralight alternatives like the Helios. Tilley's sizing runs exact rather than elasticized, requiring you to measure your head accurately before buying. It also does not compress as small as brimless caps, making it better suited to ride on your head or strapped to the outside of your pack. **Highlights** - Integrated 3/4-inch Airflo crown mesh vents hot air away from the scalp - Built-in closed-cell foam keeps the hat buoyant if dropped in water - Stiff, durable brim holds its shape against moderate to high wind - Front and back wind-cord system anchors securely in gale conditions - UPF 50+ fabric with water-repellent finish repels light rain **Watch-outs** - Considerably heavier than ultralight trail hats - Fixed-size sizing requires precise measurement and lacks universal adjustability
- Price
- $65 MSRP
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
Specs side by side
| Spec | Helios Sun Hat | LTM6 Airflo Hat |
|---|---|---|
| Weight | 2.3 oz (65 g) | Approx. 4.0 oz (varies by size) |
| Brim Width | 2.75 in (7 cm) | Front/back 3.5 inches, sides 2.5 inches |
| Sun Protection | UPF 50+ | UPF 50+ certified fabric |
| Crown Fabric | 86% nylon, 14% polyester ripstop | — |
| Sweatband | TransAction wicking headband | — |
| Adjustment | External one-hand drawcord and chin strap | — |
| Fabric | — | 100% recycled nylon crown and brim, polyester mesh |
| Retention | — | Tuckaway front and back dual wind-cord system |
| Floatation | — | Closed-cell foam in crown and brim |
What our reviewers liked and didn't
Helios Sun Hat
- Crushable foam brim packs down completely flat and springs back without creasing
- Dark under-brim fabric significantly cuts down ground and water glare
- Lightweight build and wicking headband keep it comfortable during all-day wear
- Multiple distinct sizes paired with an external cinch cord deliver an exact fit
- Flexible front brim can flap or buckle downward in stiff, head-on winds
- Lacks mesh crown vents, causing heat buildup during humid, steep climbs
LTM6 Airflo Hat
- Indestructible nylon construction shrugs off brambles and heavy field abuse
- Airflo mesh chimney dumps rising scalp heat while maintaining full overhead UPF 50+
- Dual-cord retention harness secures the hat against high coastal winds
- Integrated foam core keeps the hat buoyant if dropped in rivers or lakes
- Substantially heavier and bulkier than ultralight nylon trail hats
- Rigid brim prevents tight crushing or stuffing into small pack pockets
- Fixed sizing requires precise head measurement and lacks on-the-fly adjustment
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.