these sleeves deliver energy-boosting benefits for your most intense activities

chafe-free stretch strap construction for superior ease-of-movement

we added a new knit collar construction for a socklike feel

300-lumen light is angled 24° downward to illuminate the ground ahead of you

Low-maintenance ownership -- machine wash and dry

Nathan | Terra Fire 300 R Hand Torch | Tangerine Tango/Vapor Blue One Size these sleeves deliver energy-boosting benefitsSee and be seen while running or walking at night with the Nathan Terra Fire 300 R hand torch. It illuminates the trail ahead and comes with a powerful whistle to notify others of your presence. 300 lumen light is angled 24 downward to illuminate the ground ahead of you Adjustable hand strap allows for effortless carry in either hand Emergency 120 decibel whistle provides an audible alert if you need help IPX4 rated weather resistance shrugs off rain