Gloves are a must for balance biking and beyond.  Palm and finger scratches are nasty and cause a lot of tears. Go with full fingers; they are a bit harder to get on but worth the extra 15 second struggle.

Giro Full Finger Gloves

The Giros are robust and have Velcro closure.

Where to buy: Amazon | MSRP: $17.99 USD    

Woom Full Finger Gloves

The Woom's are light and cool, great for warmer days.

Where to buy: woombikesusa | $15.90 USD