BUFF (R) Filter Mask: Performance packed and designed with purpose - the BUFF (R) Filter Mask is highly breathable and easily adjustable, for all-day active comfort. Details: *Final Sale: No returns or exchanges on Filter Masks. Discounts and promo codes do not apply to Filter Masks. Face masks have become an essential accessory for an active daily life. Designed with easy change BUFF (R) Replacement Filters that block 98% of airborne particulates and back-of-head adjustable elastic bands that eliminate discomfort behind the ears - the BUFF (R) Filter Mask improves active fit and function. Technically built with 4-Way ULTRA STRETCH CoolNet UV+ fabric. HeiQ V-block antimicrobial interior mesh fabric treatment UPF 50+ sun protection* Customized fit with adjustable back-of-head elastic bands Wicks moisture and dries quickly Extremely lightweight and highly breathable Adult one size - head circumference size 52 cm to 63 cm Not intended for medical use Includes 5 replacement filters Filters offer 98% bacterial filtration efficiency Each filter can be used for a maximum of 24 hours Filter life may vary based on usage and environment As an engaged partner of UNICEF, BUFF (R) has committed to donating 2% of our global yearly profits to projects helping combat COVID-19. materials: Fabric Content 95% Polyester, 5% Elastane How to Clean: Upon removing the 3-Layer BUFF (R) Replaceable Filter, it is recommended to wash the BUFF (R) Filter Mask with hot water (60 degC/130 degF) to ensure total disinfection. Care Instructions: Machine-wash safe at 60 degC/130 degF. Recommended delicate cycle and less than 30 mins washing program. Do not use fabric softeners Do not bleach Do not machine dry Do not dry clean BUFF(R) Filter Mask | Multi Pink