Santini Carbon S/S Cycling Base Layer Shirt This short sleeve base layer is made from resistex carbon fibre material which takes in and disperses electric charges and allows perspiration to evaporate faster. The carbon fibres within the fabric actively lower lactic acid build up during activity and improves performance Features Include:- Seamless design Anallergenic & anti UV carbon fibre yarn Takes in and disperses electric charges Moisture wicking properties Lowers lactic acid build up during activity Breathable material