Simpson Safety DSUTKML DNA SLT Base Layer Top M/L Black

The Simpson Safety DNA SLT base layer top is engineered to disappear under a racing suit, delivering certified fire protection without compromising comfort or performance. Built from a breathable knit construction, this long-sleeve top helps keep drivers cool under extreme heat. Ultra-flat seams eliminate friction points that can cause discomfort during extended stints, making it an ideal foundation layer for serious competition use. Dual-certified to SFI 3.3/5 and FIA 8856-2020, it meets the requirements for top-level sanctioned racing series worldwide.

Key Features:

• Dual certified to SFI 3.3/5 and FIA 8856-2020
• Breathable knit construction for thermal comfort under a suit
• Ultra-flat seams to minimize friction and pressure points
• Athletic fit for a streamlined, non-bunching profile
• Long sleeve design for full arm coverage
• Black colorway; available in Medium/Large sizing
• Sold individually

Designed as part of the DNA SLT base layer system, this top pairs with the matching DNA SLT bottom and headsock for a complete, coordinated setup. Available in a two-tone Black/Grey colorway, it balances safety certification with the refined fit drivers expect from a premium base layer. Note: This product is subject to California Proposition 65 warnings.