The-GAMMA-WB-base-layer-pant-helps-your-body-maintain-a-constant-temperature-through-the-REVIT-Windbarrier-reg-material-This-makes-the-GAMMA-WB-windproof-water-repellent-&-moisture-managing-The-pants-have-a-micro-fleece-liner-at-the-front-that-helps-with-moisture-control-&-adds-insulation-&-making-this-base-layer-garment-perfect-under-all-riding-or-sporting-trousers-PROTECTION-FEATURES-Outer-shell-micro-polyester-REVIT-Wind Barrier-reg-Waterproofing-amp-Breathability-windproof-highly-breathable-water-repellent-ERGONOMIC-FEATURES-Fit-tour-fit-tight-Features-elastic-overlock-seams-moisture-wicking-function