Our lightest and most breathable MILLE GT LS jersey, is engineered for long rides in the hottest, brightest conditions with ultralight, ultra breathable textiles and full-length sleeves for UV protection.We created it to adapt our ultimate hot-weather endurance jersey for the brightest, sunniest climates. Full-length sleeves wrap the rider's arms in UPF 50+ with a lightweight, hyper-wicking textile inherited from the Racing Series line. The body is made from ultra breathable, ultra-cooling textiles that breathe like racing equipment but are cut in our streamlined Regular Fit. Though the full-length sleeves are UPF 50, the GT body textiles (UPF 15) are so lightweight that we recommend wearing sunscreen underneath them.Specifications:- Compositions: 75% Polyester, 15% Elastane, 10% PolyamideTechnology:Featured Fabrics:- The main body textile is Air Cell, a new, ultralight circular knit with an open hexagon pattern that breathes, wicks, cools, and even feels like a Racing Series jersey. Air Cell's bi-stretch qualities provide elastic, body-wrapping stretch horizontally with vertical support. The rear pockets are further supported by the lightweight Stabilizer V11 mesh, cooler and more breathable than the standard GT version. Full-length sleeves of Push Pull maintain a race-inspired silhouette with low-weight, low-volume, highly elastic comfort and UPF 50+.Construction/Fit:- Cut in our streamlined regular Fit for total comfort on long rides. Set-in sleeves increase freedom of arm motion while stabilizing the shoulder panels.Engineering:- Raw-Cut Sleeves: Race-inspired construction that eliminates transitional ridges for clean lines and aerodynamics.Engineering:- Triple Ramp Pockets: Flexible panel lids secure and stabilize pocket contents. The pockets' upper halves are hyper elastic for added capacity, but the lower halves add firm vertical support to prevent sagging.Engineering:- PILtec Plug-In: The rear hem features a lightweight, ultra breathable textile band with a microdot silicone treatment that stabilizes the jersey's back panel and maintains grip while wet.