The 2010 Giro Skyla's sure fit, sleek form and smooth function are tailor-made for women on the move. And since it's fully equipped with key features needed for road and off-road riding, it's a great value, too. The Skyla features a Acu Dial fit system, In-Mold construction, 20 vents, Snap-Fit visor, Universal fit design, and comes in 5 new colors. The Skyla weighs only 9.5 ounces or 270 grams.The Universal Fit Women's are sized from 19.75 to 22.5 inches or 50 cm to 57cm.