4-way-stretch KLIM Aggressor Cooling fabric with brrr cooling technology. Next-to-skin armored base-layer shirt - KLIM Rogue CE Level 1 Shoulder Pad, KLIM Rogue CE Level 2 Chest Pad, KLIM Rogue CE Level 2 Back Pad Offset zippered entry with locking feature. Soft protection in ribs. Compression molded chest, back and arm panels for added protection. Built with precision-engineered body-mapped fabric weaves, the Tactical Pro Armored SS Shirt prioritizes next-to-skin comfort and cooling for the ultimate on-body protection experience. Tailored for off-road racing, singletrack, dual-sport and mountain biking, the Tactical Pro Armored SS Shirt features KLIM’s new proprietary CE Level 1 & 2-rated Rogue armor technology coupled with KLIM Aggressor Cooling brrr chemical-free cooling fabric that sets a new standard of protection, comfort and breathability for performance base-layers.