These socks feature EPA-registered Insect Shield technology to effectively repel mosquitoes, ticks, ants, flies, chiggers, and midges (no-see-ums). Insect Shield binds a proprietary permethrin formula tightly to fabric fibers and provides odorless insect protection that lasts through 70 washings. A cushioned sole ensures comfort, and the socks are made of 76% combed cotton, 21% nylon, and 3% Lycra®. Two-pair pack. Color: White. 
MSDS
Medium Size 7-10 fits women’s shoe sizes 5.5-9.5 and men’s shoe sizes 7-10.
Large Size 10-13 fits women’s shoe sizes 10-12 and men’s shoe sizes 10-13.
