"Spongia", according to Google Translator, is Italian for "spongia", which isn't terribly helpful. As it turns out, you have to go back a bit farther to get the real meaning - it's Latin for "sponge". Given that the late Giancarlo Guidi saw fit to dedicate an entire line (the "La Pipaccia") to oddball pipes he saw being smoked by mariners and fishermen in the port of Pesaro, it isn't so surprising that he would also name a deeply-rusticated, warmed-over tan finish for its close resemblance to the humble, yet so fortuitously*, usefully porous sea creature. Suffice to say, the Spongia provides plenty of stimulating texture in hand, and all the better when combined with a big "Maxima" design such as this.
*- For mankind, anyway - not so much for the sponges themselves.
- Eric N. Squires