The No See Um Bug Jacket protects against flying, crawling, biting insects. Full cut pullover top with hood is made of 100% nylon no see um netting with adjustable elastic and cord locks at wrists, hood, and waist. Bug repellent may be applied directly to the suit before wearing. Unisex Chest Sizes: XS32 34, S36 38, M40 42, L44 46, XL48 50. Protects against flying, crawling, biting insects. Pullover style with hood. 100% no see um netting. No see um netting storage bag included. Avg. wt. 4.16 oz.