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About Firstgear 37.5 Basegear Briefs
Firstgear 37.5 Basegear Briefs
37. 5 moisture transfer technology and a cling-fit design to manage the temperature and humidity next to your skin for ideal comfort and performance. Constructed of a 92%/8% polyester/ spandex fabric blend created to accommodate your movements and a flat-lock seam construction to guarantee a comfortable fit no matter how frigid the ride.