The RAINTEK™ Waterproof Breathable Boonie Hat with RainTek™ microporous technology. Constructed with light weight and breathable classic non-woven T50 trilaminante materials. With adjustable draw cord crown, neck lanyard with cord lock, and 100% taped and sealed seams. The RAINTEK™ Boonie Hat is easy to roll, pack and stow away. Designed to be worn with any rain gear in any kinds of inclement weather, it is perfect for fishing, hiking, camping or any rainy day in the field. Great for naps in the rain…cool!