General description Designed to meet the new Network Rail requirements for Class 3:3 railwear, the Portwest RT61 Rail Industry Hi-vis Breathable Trouser (S) offers complete waterproof protection. With side access slits complete with plackets, these trousers can be easily worn over other trousers or jeans. Technical specifications Material: 100% polyester, 00D Oxford weave Weight: 190g Colour: Orange Leg Length: Regular Manufacturer Part Number (MPN): RT61ORRS EAN: 5036108157761 Standards Met: EN ISO 20471:2013 Class 2:2, EN343 Class 3:3, RIS-3279-TOM Other information