Alpinestars: Constructed from an advanced double poly-knit fabric that is highly stretchable as well as having excellent moisture-wicking abilities, the Elite Short Sleeve Jersey is perfect for keeping you comfortable on the trails.• Constructed from an innovative, advanced double poly-knit fabric which is highly stretchable to allow for a performance fit.• Poly-knit fabric main shell promotes moisture wicking, temperature control and prevents build-up of sweat.• Zippered collar opening for ease of entry and riding comfort. Zipper facing protects skin and gives comfort.• Elongated lower back profile helps maintain fit and offers comfort.• Gusseted rear compartment pocket allows rider to store objects. Compartment incorporates elasticated top entry for safety.