Waterproof | Thermal SF Belay 4.0 Tactical Jacket – Insulated Military Cold-Weather Jacket UK Engineered for the cold weather warrior – advanced insulation, rugged performance, and mission-ready protection. The SF Belay 4.0 Tactical Jacket is the latest evolution of our bestselling insulated design, built for operators facing the harshest environments. Combining System Dual Protection (SDP) technology with PrimaLoft® Gold insulation and a soft-touch Matrix inner lining, this jacket delivers elite thermal efficiency, comfort, and mobility. Cold-Weather Performance: Provides superior insulation and breathability, keeping you warm and dry in extreme conditions. Military-Grade Construction: Trusted military clothing designed for field operations, deployment, and tactical missions. Lightweight & Durable: Delivers warmth without bulk, perfect for layered systems or standalone wear. Built for Tactical Use: Engineered for professionals who demand reliability and performance in every mission. The SF Belay 4.0 stands among the best tactical jackets UK operators rely on, offering the ideal balance of warmth, durability, and operational functionality. NATO Stock Number: 8415-99-858-3259 Equip yourself with the SF Belay 4.0 Tactical Jacket, elite tactical gear engineered for cold-weather operations and uncompromising protection.