Smartwool Sun Hat | REI Co-op。New with tags Color: Black SmartWool Sun Hat - UPF 40+ SmartWool\'s Sun hat offers breezy shade for all-day hikes and helps you stay cool with the lightweight nylon ripstop fabric and temperature-regulating merino wool-blend jersey lining. UPF 40+ sun protection blocks harmful UV rays Nylon ripstop fabric dries fast Merino wool is itch-free, temperature regulating and odor resistant Lining is a blend of merino wool and nylon for moisture and temperature management Flexible foam brim for easy packability Adjustable chin cord Vented crown for cooling comfort SA 42526 2696