This short-sleeved jacket incorporates frontal wind protection and the most advanced breathable technology on the back. The durable water-repellent treatment adds extra protection against light rain. Used in combination with UYN functional base layer it creates an exceptionally versatile layering system for your training and racing in changing conditions. The defining feature of the UYN T-SHELL jacket is the 3D knitted back panel with 4-WAYS VENTILATION technology: the ultimate in breathability and stretch for superior performance.