100% merino wool and conductive carbon fibre construction for softness Firmly knitted 12 gauge fabric with 2 x 1 ribbed knit basques and cuffs for elasticity and shape retention Machine washable Flat dry Midweight for added comfort Static stopper compliance label for verification Elegant Knitting - Anti-Static Vest - Merino Wool - Conductive Carbon Fibre - Navy - 849ASV NA 14