K3113-3XL - Lincoln Electric 9 oz. FR Cotton Black Welding Shirt, 3XL

Technical Overview of the Lincoln Electric K3113-3XL FR Welding Shirt

The Lincoln Electric K3113-3XL is a specialized Flame Retardant (FR) welding shirt designed to provide a balance of protection and breathability for industrial operators. Engineered for light-duty welding applications, this garment serves as a primary layer of defense against sparks, spatter, and radiant heat. The shirt is constructed from 9 oz. 100% flame-retardant cotton, a material selected for its ability to self-extinguish when the ignition source is removed. This property is critical for maintaining safety standards in environments where incidental contact with hot slag or sparks is frequent. The fabric weight of 9 ounces offers a substantial barrier without the excessive thermal retention associated with heavier leather alternatives, making it suitable for warmer climates or high-activity tasks.

Structurally, the garment is assembled using high-strength Kevlar stitching. Kevlar is renowned for its high tensile strength and thermal stability, ensuring that the seams remain intact even when exposed to elevated temperatures that would degrade standard polyester or cotton threads. This construction detail significantly extends the service life of the shirt in rugged industrial settings. The shirt features a button-up collar and vertical button closure, providing a secure fit that minimizes gaps where debris could enter. Adjustable cuffs allow the wearer to seal the sleeves around the wrists or over gloves, further enhancing the protective envelope.

Compliance is a key aspect of the K3113-3XL's design. It meets the ASTM D6413 standard for flame resistance, a rigorous test method that evaluates the vertical flame resistance of textiles. This certification provides safety managers and procurement officers with the assurance that the PPE meets established industry benchmarks for flame propagation and after-flame time. Additionally, the fabric is treated to be mildew resistant, a practical feature for gear stored in lockers or damp shop environments. The shirt is machine washable, allowing for easy maintenance and hygiene without compromising its FR properties over the garment's rated lifespan. It includes two chest pockets with flaps to prevent debris accumulation and a dedicated pencil holder slot for administrative convenience.

This specific SKU corresponds to the 3X-Large size, accommodating a broader range of body types while maintaining the necessary range of motion required for welding and fabrication tasks. It is categorized as a secondary protection item, ideal for TIG welding, light MIG applications, and general shop use, but should be supplemented with leather aprons or jackets for heavy-duty overhead or high-amperage structural welding.