Winter Base Layers

Utilizing 37.5® moisture transfer fabric technology combined with wind blocking 37.5® tri-laminate panels, 37.5® Arm Warmers provide outstanding temperature regulation. The strategically placed wind blocking panels take the chill out while...

Can be worn alone under a pair of mesh pants for maximum cooling or in combination with the 37.5® Basegear Long Pant to complete a full lower body, moisture transfer system. Comfortable stretch knit construction with flat-lock seams provides all-day...

Constructed with a 92%/8% polyester/spandex blend fabric incorporating revolutionary 37.5™ moisture transfer technology. Flat-lock seams ensure a comfortable fit and ease of layering. Designed and intended to be worn as a primary layer but alone...

Utilizing 37.5® moisture transfer stretch fabric technology, combined with wind blocking 37.5® tri-laminate panels, the 37.5® Leg Warmers provide outstanding temperature regulation. Strategically placed wind blocking panels take the chill out...