The women's SIENNA sleeveless bicycle jersey is designed to be women's specific with a narrow waist and no elastic in the bottom hem for a perfect fit!   This bicycle jersey is contructed with the lastest microfiber moisture wicking technology ~ P1S PREMIER fabric! It is designed to give the perfect combination of fit, air flow and moisture wicking features.  It is constructed of birdseye knit summer fabric.  The SIENNA cycling jersey features a 3/4 length hidden zipper, 3 back pockets and a tapered waist to fit the contour of a woman.  The jersey is great for that nice long hot summer day ride!