This high performace PolarMAX base layer is designed to keep the wearer dry and comfortable in extremely cold conditions; Acclimate technology and the inherent properties of micro-fleece work to moderate moisture and temperature across a wide range of conditions resulting in a happy smile on young adventurer`s faces even after hours in winter temperatures.FEATURES: Acclimate Dry Polyester Micro-fleece 4.5 oz / yd² 2 Sided Brushed Wicking Quick Drying Breathable Lightweight Packable Flatlock StitchingAcclimate FabricAcclimate fabric is exclusively featured in all PolarMAX fabrics. Acclimate rapidly pulls or `wicks` moisture away from the skin to the fabric`s outer surface for quick evaporation which means you stay drier warmer and more comfortable.Flat Lock StitchingThis type of stitching creates a seam that lies flat within the garment rather than hanging from it eliminating discomf