2 pieces: Ice damage.
4 pieces: Basic and Dash Attack bonuses.
Read the linked source for exact values and activation text.
DRIVE DISCS / PATCH 3.2
Polar Metal
Ice equipment set.
Ice
RECORD IDPOLAR-METALFACT CHECKED
Ice equipment set.
2 pieces: Ice damage.
4 pieces: Basic and Dash Attack bonuses.
Read the linked source for exact values and activation text.