New Balance Women's Apparel Size Chart From sunshine, to foliage to winter frost, this running wardrobe mainstay is made with new lighter weight, exceptionally soft fabric that delivers the perfect unity of warmth and breathability, so you can enjoy the scenery any time of year. For sunny springtime runs when days start getting longer, the Seasonless Long Sleeve offers UPF 40 sun protection. It has an athletic fit cut from soft, stretchy NB dry fabric that wicks moisture away when your run heats up. A shaped hem and rib knit collar help tailor the fit, while reflective hits on the front and back offer a bit of shine. Features: - Athletic fit - UPF Ultraviolet Protection Factor of 40+ for effective protection from UV rays - Baby merrow seaming - Hidden thumb hole - Modified Raglan - Reflective details and logo - Rib knit neckline - Shaped hem