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Product DescriptionThe foundation of your cold-weather system, the GSX Ultra-Form Base Legging is our high-tech successor for long underwear. Whether worn alone or underneath wind or rain layers, GSX thermals use comfortable, synthetic fabrics that dry quickly to keep you warm during periods of low activity. Multi-panel construction combines soft, brushed 100% polyester thermal fleece fabric with lightweight 92% polyester, 8% spandex Duraface stretch jersey fabric at the side legs and upper seat. The fleece's grid-like channels trap air for more warmth with less bulk, while four-way stretch properties yield greater freedom of movement. This high-tech fabric construction is designed to wick away moisture to keep you dry, and is antimicrobial-treated to help reduce odors so you stay fresher longer. Flatlock seam construction throughout helps reduce abrasions and allows for easy layering. Reinforced coverstitching at high-wear areas ensures maximum durability. The full elastic waistband offers a snug, comfortable fit, and the flap-closed fly is fully functional. 32" inseam. Imported.