Built for cold-weather layering on the trail or in town
Merino wool construction regulates body temperature in both heat and cold — genuinely useful in the South where mornings and afternoons feel like different seasons
The reversible construction means you get real versatility out of a single piece
Adjustable webbing straps across the foot and ankle let you lock in a secure
and pavement — no shoe swap needed when your route changes surface
Outdoor Research Heyday Boonie Hat Size:L/XL Built for cold-weather layering onFor hikers, anglers, and paddlers grinding through long sun exposed days, the Heyday Boonie is our go to sun hat for warm weather outdoor work. UPF rated fabric and a wide all around brim deliver real face, ear, and neck coverage, while the moisture wicking sweatband keeps sweat from becoming a distraction. Packable and secured by an adjustable chin cord, it travels as well as it performs. Wide brim shades your face, ears, and neck built for full days