Features: Thumbcuff handwarmer, Front smock-style zipper, Rollover collar. This circular knitted Nomex/Merino wool shirt (30%/70%) has a long tail for maximum body heat retention. The yarn blend gives an exceptional level of protection matched by effective moisture management - the system has been adopted for the Eurofighter pilot midlayer. The merino wool element, which is on the inside of the garment is hercoset treated to render it non-irritant. This item is commercially made and brand new.