509 F05000200-110-204 - LVL [1] - 509's lightest next to skin base layer. Lightweight, moisture-wicking polyester technical material. Stylish full body sublimation print, Comfortable brushed interior fabric. Sized to be fitted. Size up for loose fit. Specs: Materials: Cold Armor Polyester, Warmth: LVL [1] Stay warm and dry in the harshest conditions with 509's Active Layering System featuring Cold Armor technology. Pairing 509's base and mid layers with 509's outerwear creates a high-performance layering system that works together to keep you comfortable no matter what. The system starts with our lightest base layer, the 509 FZN LVL 1 Shirt - a close fitting.
