FRS 003 FRS 003 VolCore® Long Sleeve Cotton Button Down FR Shirt Size:4X TPR protection on the back RW32 EZ1Y 3X TPR protection on the back of the hand and a keystone thumb which all provide dexterity as well as protection while the elasticized wrist provides for a comfortable fit PosiWear UB: Ultimate Barrier Proprietary technology against dry particulates and liquid splash including viral and blood borne pathogens The Radians FRS 003 VolCore® Long Sleeve Cotton Button Down FR Shirt reduces burn injuries with FR fabric Flame resistant (FR) VolCore® workwear helps protect workers from short term thermal incidents because it self extinguishes and doesn’t melt when exposed to flame