Carhartt Cotton Blend Filter Pocket Gaiter Product Description There’s just no harder working choice than Carhartt for a rugged, ultraversatile gaiter that outdoes ordinary gaiters. Designed for breathability, this comfortable gaiter features a double layer pocket at the nose & mouth to accommodate an optional filter. An adjustable locking drawcord in the back helps ensure a customized fit. 95/5 cotton/spandex 100% cotton lining for filter pocket Double layer 4 x 4 filter pocket at the nose & mouth (filter not included) Fits PM 2.5 filter (not included) Binding at the top & bottom hem Carhartt logo at the lower left hem Adjustable locking drawcord in back Ideal for outdoor or indoor use Machine washable Non-returnable" Carhartt Cotton Blend Filter Pocket Gaiter