gear up

verb2

1. •
   [with oneself] To prepare for an activity.

   • The hardware store is gearing up for spring in February with garden supplies and seeds.
   • We're gearing ourselves up for a busy week ahead.
2. •
   To put on special clothing or equipment.

   • The soldiers geared up and loaded onto the assault craft. They would have a forty-five minute ride to the beach. — 2002