COMPRESSION FIT - Compression fit shirt pattern matches the curve and shape of an athlete’s natural stance, providing superior comfort and performance NECK PROTECTOR - Integrated neck protector for safety that doesn't affect mobility and movement. COOL AND COMFORTABLE - Four-way stretch mesh in under-arm zones provides maximum heat release, comfort and unrestricted movement NO MOVING PARTS - Patented Sleeve Lock design integrates elbow pad retention wrap within sleeve which eliminates the common problem of pad movement NO SLIP GRIP - Silicone grip pattern on sleeve elbow area enhances performance of Sleeve Lock elbow retention design