The N-Ferno 6435 Midweight Long Sleeve Base Layer Shirt delivers warm, breathable comfort in cold conditions with a 240g polyester-spandex performance fabric that provides insulation without bulk. Designed to prevent overheating, it features a stretch fit, raglan sleeves for full mobility, thumb loops, a long tail for stay-put coverage and moisture-wicking, anti-odor technology for all-day freshness. Ideal for construction, transportation, warehousing, refrigerated environments and outdoor activities.

• Midweight base layer – 240g warmth for cold conditions
• Performance stretch fit – warms without overheating or restricting movement
• No-bulk layering – smooth exterior with long tail for easy tuck under jackets and bibs
• Comfort & warmth – stretch fabric with brushed interior
• All-day freshness – moisture-wicking, anti-odor technology, breathable mesh underarms
• No chafing – flatlock seams and tagless interior
• Full mobility – raglan sleeves with wide underarms
• Thumb loops – keep sleeves in place and block wind
• Machine washable