Southern Cross Cloth

The Southern Cross Silver Cloth is the cloth of the revived Saint Christ  in  Saint Seiya: Evil Goddess Eris, and by an unknown Saint in  Saint Seiya: The Lost Canvas. It is of the second class of the cloths that Athena's  Saints wield, the  Silver Cloths.

The Crux of the Situation
The Crux  constellation was originally part of the  Cerberus  constellation during the days of Ancient Greece. It was centuries later that the constellation was rediscovered and separated from the Cerberus  constellation, becoming the  Crux  constellation. Crux is Latin for Cross, and was named after it's shape.

Don't Cross Me...
While not appearing in the manga and anime, the Southern Cross Silver Cloth appeared in the first Saint Seiya movie, Evil Goddess Eris. Christ was a revived Saint (aka a Ghost Saint), and was given this version of the Cloth. In the end, it was damaged and left behind, the ghost having been beaten

Special Abilities of Silver Cloth of Southern Cross
The Southern Cross Silver Cloth, while having all of the strength and endurance of a Silver Cloth, has no special traits that make it stand out as a cloth.

Techniques used by Southern Cross Saints
In the movie, Christ uses one major technique are used in the series.

"Southern Cross Thunder Bolt"
"Southern Cross Thunder Bolt" is an offensive technique used by Christ in the first movie. Christ shifts his arms into an L shape with the left one lying down. He then dashes forward with his Cosmo charged.