Klein Tools' Long Sleeve Welding Jacket is made from Flame-Resistant (FR) cotton twill, which is ASTM F1506 Sec. 7.6 compliant. The back of the jacket features breathable FR mesh for added air flow. Adjustable metal snap-button cuffs and collar offer the end user a proper fit and protection from sparks and weld spatter. The jacket includes interior pockets.Features Breathable Mesh, Adjustable Collar and Cuffs, and Interior Pockets Wide and deep interior pockets for protected storage Versatile collar with three button options for added comfort and security Long-Sleeve Welding Jacket made from flame-resistant 100-Percent cotton twill, compliant with ASTM F1506 Sec. 7.6 Breathable FR mesh on back of jacket improves air flow and offers added comfort when working in hot environments Welding jacket is machine washable Adjustable metal snap-button cuffs for proper fit under welding gloves Additional FR cotton flap behind metal snap-buttons protects user from direct contact from heat Material: 100% 9.5-Ounce Flame Resistant Cotton Twill Compliance: Tested to ASTM F1506 Sec. 7.6 Size: Large Number of Pockets: 2 Interior Pockets Closure Type: Metal Snap-Button Fit Style: Loose Chest Size: 40" to 45" (101.6 to 114.3 cm) Overall Length: 26 in. (66 cm) Weight: 1.4 lbs Color: Black, Orange, White Application: Welding and Metal Fabrication DownloadsBrochure 1Spec Sheet