3M disposable protective coverall safety work wear 4540 helps protect against certain light liquid splashes and hazardous dusts, including nuclear particles. This coverall offers a hooded option for protection of the head and neck. Advanced, breathable and lightweight materials help reduce heat build-up and promote comfortable wear. 3M disposable protective coverall safety work wear 4540 offers high-performance protection while delivering worker comfort. This coverall is constructed with a non-woven laminated material and a breathable, SMMMS fabric back panel to help improve air ventilation. The microporous PE laminate is low lining and comes with an anti-static treatment on both sides. The back panel helps reduce heat build-up while providing a barrier against hazardous particles and limited liquid splashes. The coveralls also feature extra room in the arms and legs for enhanced mobility; two-way zippers for added on-off convenience and storm flaps and seamless shoulders and sleeve tops for extra protection. All sizes have knit cuffs and elastic waist and ankles for increased comfort and mobility.