Light up your evening runs with the Borealis. Large reflective back hits, front logo so bright they can be seen by the International Space Station. Breathable mesh 'knee pits.' Locking ankle zips with silicone grip at opening. Secure fuel pocket. Internal drawcord. Poly/spandex. Online only. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16-18).