Banarasi feather soft sarees are a type of saree known for their lightweight and soft texture. While there isn't a specific definition of feather soft in the context of Banarasi sarees, we can look at Banarasi soft silk sarees as a possible match.

Soft Silk Sarees: Made from Banarasi soft silk, these sarees are known for their elegant designs, intricate patterns, and luxurious feel.