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Your cart is empty.K1 RaceGear’s Precision Nomex® Short Sleeve Undershirt is crafted from inherently fire-retardant materials, ensuring lasting flame-resistant properties. Engineered with a focus on affordability, comfort, and enhanced protection, this undershirt is suitable for any racer. Crafted from durable and soft-knit material, our Precision base layers promise optimal comfort during demanding hours on the track. The flat, interlock stitching reduces friction points, ensuring exceptional performance when worn under a driving suit. A standout feature is the minimal flat-stitched seams, reinforced with specialized flame-resistant thread, eliminating discomfort and pressure points, enabling you to concentrate on your performance without distractions. For your convenience, the Precision Nomex® Undershirt is available in both long and short sleeves. Please Note: Only the long sleeve Precision model is SFI 3.3/5 rated. The short sleeve version is manufactured with the same materials and to the same exacting standards; however, it is not SFI Rated. Prioritize your safety and comfort on the track with the K1 Race Gear Precision Nomex® Short Sleeve Undershirt, offering protection without compromising on comfort. Precision Nomex® Underpants are also available and sold separately.