FXR Men's 20% Vapor Merino Pant 17
Klim Aggressor Cool 1.0 Pant
509 FZN Base Layer Level 1 Pants (Non-Current)
Experience the comfort and performance difference using 509's Active Layering System featuring Cold Armor technology. Cold Armor is a blend of technical materials constructed to wick moisture and create a cold blocking barrier for those frigid days. Pairing 509's base layers with 509's outerwear creates a high performance layering system that works together to keep you dry and comfortable. Starting with our lightest base layer, the LVL  is a next to skin layer designed to be close fitting and actively work to wick away moisture creating a comfortable in even the harshest conditions.
To purchase Base Layer Shirts Please Click Here