You just washed that polypro shirt and it smells already—next time wash it with Nikwax BaseWash, This product not only removes odors it also revitalizes your base layer’s wicking properties so your long johns enjoy a longer life, Use the biodegradable Nikwax BaseWash in the washing machine or sink to clean any synthetic base layers or mid-layers, Recommended for Capilene and DriClime apparel, No propellant gasses, Not tested on animals, Contains no fluorocarbon, Capacity: 10 fl, oz, SKU: LBMT4441