A one-size-fits-all hat that also protects you from the sun's heat waves and skin-damaging UV. Alchemi Labs River Hat uses space technology to reflect 80% of the sun's heat waves, while blocking 99.8% of UV rays. The moisture-wicking sweatband will keep you cool and dry during hot, sunny days, and the chin strap will keep the hat on your head on windy days.
- Space technology reflects 80% of the sun's heat waves and blocks 99.8% of UV.
- Moisture wicking sweatband and aggressive ventilation aid cooling.
- Asymmetrical brim folds over neck.
- Adjustable sizing.
- Folds flat for storage.