100% Pre-shrunk cotton. 9 ounces. Raschel knit. White Color. Comfortable fit. Expedition Weight raschel knit thermal traps and retains body heat for maximum warmth and comfort. Full cut for comfortable fit. Shrinkage controlled for lasting size and shape. Handles Extremely cold temperatures and Medium Activity. Military Issued Crew Neck Machine wash cold, with like colors. Use only non-chlorine bleach when needed. Tumble dry low. Low iron if necessary.