80% NYLON/ 20% ELASTANE. THE BRUSHED-BACK KNIT OFFERS STRETCH, A SOFT INTERIOR, LIGHTWEIGHT WARMTH, AND LASTING SHAPE RETENTION, WHILE ALSO PROVIDING UV PROTECTION. FUNCTIONAL DETAILS INCLUDE A PERFORATED CAMO INTERIOR AT THE NECK, FLATLOCK SEAMS, AND A SLIGHTLY ELONGATED CUT FOR ENHANCED FUNCTIONALITY. GREYSON LOGO ON BACK YOKE.