Ultimate Guard Cortex Sleeves Standard Size White (100) Posted on Ultimate Guard Cortex Sleeves Standard Size White (100) by Ricci De Roxas $ 8.22 Categories: Jacket, , Pants, Slacks, & Shorts. Meant as an everyday sleeve, Ultimate Guard CORTEX sleeves offer an attractive price point and also feature fully opaque backing, a perfect shuffle feel, and high-quality durability for those long gaming sessions. Related Products Wrist Strap Babolat Fiber Touch Signum Pro – Multifilamento Cinta protectora Wilson Cartuchera Wilson Field