Texas Tech Red Raiders Short Sleeve NuTech T-Shirt. It's Time For Awesome for your little Red Raiders 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 Texas Tech boy plays hard and now you have a shirt that will keep up with him. Go Red Raiders!! Officially licensed Texas Tech Red Raiders fan gear.