Stoneskin Undersuit

The Kastak Arms Stoneskin  is a flightsuit.

Product description
"Kastak Arms' Stoneskin series of combat undersuits are built upon CDS' famous TCS-4 system based on extensive feedback from the operators who rely on this technology in the field. Offering a myriad of options for armor and EVA capabilities, the Stoneskin is set to rival CDS as a rugged and reliable undersuit."

Buyable at
Stoneskin Undersuit is sold at the following locations as of Alpha 3.9.1: