Built For Ultimate Sun Protection - Buff Coolnet Uv Multifunctional Neckwear Is 95% Recycled - Engineered With Repreve Performance Microfiber, Heiq Cooling Technology, Polygiene Odor Control And Has A 4-way, Seamless, Ultra Stretch Fabric Construction That Features Upf 50 Sun Protection. Can Be Worn 12 Different Ways - From Cap To Balaclava, Neck Gaiter To Hair Tie - For Optimal Performance And Protection, Personalized Style, And A Perfect Fit.