Running tights by ASOS 4505, Level up your activewear, Elasticated waistband, Internal card pocket, Close-cut muscle fit, Tighter than your average joggers. The new activewear range from ASOS offers high-quality gear whatever your workout. Whether you're gaining or training, ASOS 4505 has the very best performance kit, cut to keep you cool, dry and fly. Reflecting your personal style to ensure your playtime has personality, this is our movement for movement.