Conforms to EN ISO 11612:2015 A1 B1 C1, EN 1149-5:2018 PT.5:2008 PT.3:2004 (Charge decay), EN ISO 20471:2013 Class 3 and IEC 61482-2:2009 Class 1. Arc Flash protection. Brushed fleece inner - winter warmth. VXS+ blend - natural feel, comfortable & soft. Breathable with good moisture management. Round neck collar with stretch rib - smart appearance. Rib knit cuffs - close fit. 5cm stretch rib Hem - best fit around the waist. Arm pocket - useful pocket for phone or small items SafetyICON™ on arm - visual EN Standards icon system. 5cm FR AS Reflective Tape - heat applied to improve flexibility.