Shell: 55% Polyester / 45% Wool; Liner: 100% Polyester Designed for the U.S. Army Green Service Uniform (AGSU) Classic clip-on design with pre-tied knot Available lengths: Short (15"), Regular (18"), Long (21") Structured woven fabric with smooth polyester liner Professional appearance for dress and service uniform wear WARNING: This product can expose you to Bis-(2-ethylhexyl) Phthalate (DEHP) which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov