KleenGuard[TM] Personal Protective Equipment (PPE) enable rather than inhibits, allowing for maximum productivity and safety for you and your employees. Designed to move with you and your employees, while helping protect against hazardous and non-hazardous dust. Offers superior particle holdout coupled with unmatched comfort attributes. The A20 fabric is comprised of five layers of stacked barrier protection (SMMMS) against hazardous particles. Designed to help protect against dirt, grime and dust and are made with breathable Microforce barrier fabric.