Nomex Delta T - Widely used over many years by fire brigades throughout the UK and Europe, Nomex Delta T has proven its durability for the rigours of firefighting. It comprises 75% Nomex, 23% Kevlar for strength and 2% P140 carbon fiber (which gives the fabric its anti-static properties) and is mainly available in 220 g/m2 ripstop in a variety of colours.