Fit & Design: Sleeveless 2-way full-zip closure offers added convenience, better ventilation, and increased ease of movement 2 side zip pockets to stash small essentials securely Double-brushed fleece lines the pockets to serve as hand warmers in colder conditions Sophisticated logo details on the back panel add visual interest and a high element of style Versatile, so you can layer it over your favorite SanSoleil shirts, or under a jacket when you need extra insulation Luxuriously soft to keep you comfortable Engineered with a 4-way stretch, technical microfleece that moves with you Technology: Moisture-wicking technology keeps you dry and comfortable, especially during strenuous activities or in changing weather conditions Design to trap warm air close to your core, providing insulation to keep you warm