100% Polyester This is the word Sigma. It's for Sigma Male types, or not. Wear it as a funny pun with maximum irony. Another bussin' bussin' design with the right vibe from the Generation Alpha Sigma Style Collection. Bet. 100% spun-polyester fabric Double-sided print Filled with 100% polyester and sewn closed Individually cut and sewn by hand Spot clean/dry clean only