Assos Assosoires Spring Fall Arm Warmer Black SeriesThe Spring Fall Arm Warmer is a high stretch, comfortably compressive solution to everything from UV exposure and a glistening sheen of perspiration during summer rides to the lingering chill of exposed arms in early fall and late spring. Regardless of the season, every ride benefits from aggressive wicking, and the material serves as a corrective to the temperature, cooling in the heat and warming in cool conditions.