Microfleece - Very lightweight fleece, provides warmth without weight. Ideal layer in cold weather Anti-Pill - Prevents the fabric bobbling due to rubbing and abrasion Lightweight - Comfortable materials designed for all-day wear during travel, holidays, and outdoor adventures without adding bulk or weight Half Zip - Opens at the neck for more comfort, extra ventilation and a great look 2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind