Tilley Outdoor Hat Review PlayfulSquire January 16, 2019 January 16, 2019 No Comments on Tilley Outdoor Hat Review 85% Nylon, 15% Poly Imported Dual Drawstring closure Hand Wash 100% supple nylon, mesh 100% polyester With its broad brim, great sun protection & extra ventilation around the crown, we understand why we see the airflow is on so many heads.