Naval Academy Midshipmen Short Sleeve NuTech T-Shirt. It's Time For Awesome for your little Midshipmen fan. This tee is made with 100% polyester UA Tech fabric that has an ultra-soft unrivaled natural feel comfort. Featuring Heatgear Technology which will Keep You Cool When It's Hot. Made to last season after season. Your Navy boy plays hard and now you have a shirt that will keep up with him. Go Midshipmen!! Officially licensed Navy Midshipmen fan gear.