Tilley Hemp Canvas Sun HatStay shaded from the sun and in tune with nature in our Hemp Sunhat. Natural hemp is durable, sustainable, breathable, naturally antimicrobial and biodegradable for less impact on the environment. This hat also features a Durable Water Repellent (DWR) finish and our signature hidden pocket. Its also buoyant, and will soften and wear over time, developing its own unique character.