• Buy yourself a nice tee which is so fashionable. Tri-Mountain Performance 124 - Collegian weighs 5.2 oz. It is made of 100% spun polyester yarn-dyed golf shirt with three-color stripe body. Features the UltraCool system, developed to control and manage perspiration. The features are accented with a half-moon yoke back, square bottom with side vents, and open cuffs. There are seven colors for you to choose.