Everlane The Rib Soft Knit Open Collar Polo, L, gray The Rib Soft Knit Open Collar Polo is a slim fit tee that features an open placket neckline with collar, and a short sleeve that hits a little longer. Made with our super soft TENCEL™ Lyocell fabric, it has an uneven ribbed texture and a slight sheen. Perfect for tucking into high-waisted pants or worn loose.