Squat Nimbleness

Any Small character

You are uncommonly nimble for your race. You gain the following benefits:

Increase your Strength or Dexterity score by 1, to a maximum of 20.
Increase your walking speed by 5 feet.
You gain proficiency in the Acrobatics or Athletics skill (your choice).
You have advantage on any Strength (Athletics) or Dexterity (Acrobatics) check you make to escape from being grappled.