The Rab Sonic LS Zip is a dynamic long-sleeved t-shirt designed with state-of-the-art Motiv Aero Single Jersey technology. It is unique for its quick-drying quality and odor control. A long length zip at the chest ensures optimal ventilation during intensive activities. Thanks to the microactive flat seams, you'll experience the strength and comfort directly against your skin. The raglan sleeves and concealed thumb loops made from stretch material ensure a comfortable fit. The fine mesh structure efficiently transports moisture. With the Sonic LS Zip, you'll always be ready for your next tour.