This is the CRCibernetica version of the Adafruit FeatherWing Prototyping Board with M3 mounting holes instead of M2.5. Note the nice long rails for the 3V3 and GND connections.
INCLUDED: 1 x FeatherWing Prototyping Board
NOT INCLUDED: Male Header or Female Headers. Please purchase separately based on how you wish to connect the FeatherWing to your Feather Board.
All the KiCad source files can be found on Github.