The Triumph Long Sleeve Base Layer Top in Black and Grey is designed for riders who prioritize comfort and performance. Constructed using seamless technology, this top offers a second-skin feel that maximizes comfort during long rides. The innovative design ensures that there are no irritating seams, allowing for unrestricted movement and a smooth fit under your riding gear. In addition to its comfort features, the base layer top incorporates moisture management technology to effectively wick away perspiration. This helps retain body heat while maintaining a consistent core body temperature, making it ideal for varying weather conditions. Whether you're tackling the open road or enjoying a casual outing, this base layer top provides the perfect blend of functionality and style. Seamless technology for maximum comfort Moisture management technology Core body temperature control SIZE GUIDE XS-S M-L XL-XXL CHEST TO FIT (IN) 37-40 41-44 45-51 CHEST TO FIT (CM) 94-102 103-112 113-129 BASE LAYER LEGGINGS (IN) 26-32 32-36 36-42