For those who demand style and quality without compromise. The Leila Short Sleeve Track Jacket is expertly crafted from a luxurious matte viscose and elite fiber blend that's lightweight and breathable with a sturdy handfeel knit using an intricate birdseye-back jacquard technique, this elevated zip-up features an all-over geometric motif and super-soft ribbed trims.Pair with the Leila Short for the full fit. (Sold separately)  Premium short sleeve knit track jacket  83% matte viscose / 17% elite polyester*  All-over geometric motif in 2-color birdseye-back jacquard  Full-zip front with custom-branded zipper pull  Rib-knit stand-up collar, cuffs, and hem  Embroidered 'ST' monogram logo at left chest  Rib-knit welt handwarmer pockets  Style #: STS25W51066  Regular fit  Model is 5'7" (170 cm) and wearing size small (USA) *Fully fashioned from ELITE elastic fiber: a Japanese polymer that enhances stretch, breathability, and durability. The fabric is wrinkle-resistant, wear-resistant, moisture-wicking, and resists pilling—offering lasting comfort and performance. A special UV protection and anti-bacterial treatment gives the fabric a lightweight, delicate feel that retains its shape even after extended wear.