Goliath

Goliath

ability score increase: Your Strength score increases by 2, and your Constitution score increases by 1.

age: Goliaths have lifespans comparable to humans. They enter adulthood in their late teens and usually live less than a century.

alignment: Goliath society, with its clear roles and tasks, has a strong lawful bent. The goliath sense of fairness, balanced with an emphasis on self-sufficiency and personal accountability, pushes them toward neutrality.

Size: Medium

speed: 30 ft.

Languages: You can speak, read, and write Common and Giant.

race features:
Natural Athlete. You have proficiency in the Athletics Skill. 
Stone's Endurance. You can focus yourself to occasionally shrug off an injury. When you take damage, you can use your reaction to roll a d12 1d12 . Add your Constitution modifier to the number rolled, and reduce the damage by that total. After you use this trait, you can't use it again until you finish a short or long rest. 
Powerful Build. You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift. 
Mountain Born. You're acclimated to high altitude, including elevations above 20,000 feet. You're also naturally adapted to cold climates.