6.8 oz., 100% Peruvian Pima cotton Comfort of luxurious Pima cotton Grey Heather is 90% cotton, 10% polyester Three-button placket Dura-Pearl™ buttons Durable double-needle stitching on hem Additional yarn in collar & cuffs for a neater appearance and greater durability Shape-keeping DuPont™ Lycra® ribbed cuffs