TILLEY LT5B LIGHTWEIGHT NYLON HAT The LT5B is our most lightweight, breathable hat made in stretch nylon for super comfortable sun protection. Rated UPF 50+ Guaranteed for life DWR (Durable Water Repellent) Finish Hidden Pocket Buoyant Moisture-wicking elastic sweatband Tuckaway Wind Cord Grommets Made in Canada OEKO-TEX® certification The LT5B is our most lightweight, breathable hat made in stretch nylon for super comfortable sun protection.