Thermal fabric is soft, stretchy and lightweight for great comfort;Front half zip (12.25"" / 31 cm) provides great ventilation on long climbs or warm days;One large full-zip rear pocket for all your storage needs;Drop-in security pocket holds your phone so it won't bounce around while riding;Locker loop lets garment hang and dry quickly so you are ready for your next ride;The fitted cut provides a streamlined body fit for enhanced performance;