509 FZN Base Layer LVL 1 Shirt

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 509's lightest base layer, the 509 FZN Base LVL 1 Shirt—a close fitting next-to-skin layer designed to actively wick away heat-robbing moisture so you stay dry and comfortable all day long.

• LVL [1] - Our lightest next to skin base layer
• Lightweight, moisture-wicking polyester technical material
• Comfortable brushed interior fabric
• Sized to be fitted. Size up for loose fit

• Material : Cold Armor Polyester
• Warmth : LVL [1]

Orders $39 and over qualify for free standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

P.O. Box Shipping. If you list a PO Box and select free shipping, please add a customer note with your order including a physical shipping address. We will ship to a PO Box if the shipping is comparable to other carriers. Otherwise we may need to ship to physical address or charge additional shipping fees.

Learn about additional details and restrictions by reading our full Shipping Policy

If your order arrives and it is not right, we’ll fix it…period. Doesn't fit or you're simply not happy with your item? Return any new, unused and unaltered item within 30 days of delivery of your item. Learn about additional details and restrictions by reading our full return policy.