GORE-TEX Fabrics take protective clothing to another level: they're fully waterproof and windproof; and highly breathable to avoid heat build-up.They can also withstand high water pressure and severe mechanical stresses* Outer fabric is fully seam sealed for maximum protection against the elements whilst remaining breathable to allow wearer to work in comfort* The collar is shaped and contoured for compatibility with hard hats and can be combined with a detachable hood HV161 when necessary* Approved to BS EN ISO 20471: 2013 Class 3, EN343: 2003 3:3, RIS-3279-TOM , EN ISO 13688: 2013* Outer fabric 100% polyester with ePTFE membrane * Washable at 40° and Industrial Laundering