Stretch Vest From Castelli Cycling Squadra For Road And Gravel Cycling. Nylon Zipper closure IDEAL FOR: Road cycling or daily commutes in cool weather. The Squadra Stretch Vest offers stretch paneling, premier ventilation, and close-to-body fit for maximum all day comfort. FABRIC: Coated ripstop nylon fabric on front and back to keep the wind at bay. FIT: Constructed to fit close-to-body, with tightly knit stretch panels on sides to allow for perfect fit and ventilation. FEATURES: High collar keeps out the draft. REFLECTIVITY: Reflective details throughout to keep you visible in low-light visibility.