Winterized Gear is an origin trait in Destiny 2 that can appear on 7 weapons. There is also an enhanced version with a stronger effect.
What Winterized Gear does
After being out of combat for a moderate duration, this weapon gains stability, reload speed, and handling. These benefits decay over time after reentering combat.
Enhanced version
After being out of combat for a moderate duration, this weapon gains a greater amount of stability, reload speed, and handling. These benefits decay over time after reentering combat.