Men's 1/2 Zip Sweater - BlackWith rib knit details, this fine gauge layerable sweater is just right for a day in the office or night out. Fully fashioned sleeves add durability and ease of motion. 60 40 cotton nylon Rib knit collar, shoulders, cuffs and hem Due to the nature of cotton polyester blends in dark and neon colors, special care must be taken throughout the decoration process when heat is applied for curing. Please consult with your decorator or material supplier.