Best For: Training Built for hunters who train as hard as they hunt, the KUIU EnduroTrainer Zip-T is the ultimate mid-layer for high-intensity workouts and cool-weather pursuits. Ideal for pre-dawn rucks, trail runs, or pushing limits in training, it delivers targeted core warmth without overheating. High breathability and advanced moisture-wicking keep you dry during strenuous efforts, while Ionic+ Botanical Antimicrobial technology provides lasting odor control. This versatile Zip-T layers seamlessly with KUIU's training lineup, offering standalone comfort or enhanced performance under shells. With grid fleece backing for insulation, high-stretch fabric for unrestricted movement, and durable construction, it's engineered for helping you stay focused, comfortable, and ready for the next challenge.