Crafted from soft, skin friendly cotton fabric, this breathable hat liner absorbent sweat pad features strong adhesive backing that ensures it stays in place during use Widely used for outdoor activity like baseball, tennis, golfing, running, cycling, hiking, fishing, camping, and suitable for high temperature work environment Very suitable for outdoor enthusiasts, runners, fitness buffs, construction workers, and anyone who needs to wear sport hat for extended periods comfortable with our Sweat Absorbing Pad Hat Liner, effectively absorb sweat and keep your hat brim dry, sweat from dripping into your eyes Enhancing your hat wearing with this and hygienic sweat absorbing pad