70% cotton, 30% nylon; Sewn eyelets; Treated with a DuPont® Teflon® water and stain repellent; Neck cape with patented zipper pocket; Adams exclusive Cool-Crown™ comfort mesh lining; CoolPlus® terry cloth sweatband; Shirt collar clip and cord in the rear; Large- 59 cm (7 3/8"); X-Large- 61 cm (7 5/8")