Precision Tech Layers – The K1 Precision line of Nomex Tech Layers combines the three most important features drivers look for in protective underwear. Cost, comfort and added protection. This durable, soft knit underwear is crafted with flat, interlock stitching for comfort and performs excellent under any driving suit with it’s moisture wicking properties.

• Complies with SFI Foundation 3.3 specification
• Meta-Aramid construction for cool comfort
• Minimal flat stitched seams with specialized flame resistant thread for added comfort
• Available in long and short sleeve (see note) Note: Short Sleeve Precision Nomex undershirts are NOT SFI Homologated