Men's Thermal Base Layer Bottoms SF038/SF033/SF039/SF043/SF044/SF040 25SS0502117 This flagship polarized outdoor frame

This flagship polarized outdoor frame integrates UV400 protection with high performance anti reflective optics to deliver stable

invisible finish

and comfortably warm for year-round outdoor activity

allowing for three different wearing styles to suit various outdoor activities

Technology & Performance:

Men's Thermal Base Layer Bottoms SF038/SF033/SF039/SF043/SF044/SF040 25SS0502117 This flagship polarized outdoor frameMeet the Beneunder Thermal Base Layer Series built to combat the true discomfort of fall and winter: moisture induced chill. This collection uses next generation moisture heating fibers, rapid dry structures, and dual layer thermal knits to keep your core warm, dry, and breathable through changing temperatures and activity levels. The HydroHeat line features moisture activated fibers that boost warmth by up to 8 C*, helping prevent the cold cling