The Johnnie O Lammie ¼ Zip Prep-Formance pullover provides its wearer additional warmth when needed. The pullover is highly versatile; you can layer it on cool days or pair it with khakis or jeans when its warmer. It features Prep-Formance fabric that keeps you cool, dry and protected from the sun and harmful UV rays. The fabric also provides durability for machine washing and resistance against shrinking and wrinkles. In addition, the stretch fabric provides comfort as well as allowing freedom of movement during daily activities.