Goliath with the blood of giants in them are resistant to the effect of freezing temperature.

You gain resistance to cold damage.

The large size of Goliath’s can spark fear in the hearts of many creatures

You gain advantage on intimidation checks.

Few can match a Goliath in a contest of strength

When making a contested strength check, you gain advantage on that roll

Goliath’s are all natural athletic creatures thanks to their culture and their physical build. Most physical activities often seem mundane to them

You increase your atheletics tier by one.

You count as one size larger when determining grappling checks, your carrying capacity and the weight you can push, drag, or lift.

Golaith’s hail from the mountains and feel most at home there.

Difficult terrain in the mountain does not slow you down. You’re also acclimated to high altitude, including elevations above 20,000 feet. 

The strength of the mountains give golaith’s unprecedented durability

At the end of a long or short rest, you gain temporary hitpoints equal to half your level(Round up)