The Mike's Bikes Trail Jersey is ultra-lightweight and breathable. Designed to fit like your favorite T-shirt, but manufactured with Voler's super-breathable Genesis fabric: this is a great choice for hot conditions. With no back pockets, the Trail Jersey is perfect for those who ride with a pack on their back or fanny! Genesis Fabric - lightweight, soft, durable, fast wicking performance fabric. Loose Cut - loose cut providing a roomy fit suitable for MTB rides or off-bike activities. V-Neck - low profile v-neck provides added comfort when riding. Pocket Free - no pocket design is perfect for use while wearing a backpack.