race features:
Brave: You have advantage on saving throws you make to avoid or end the frightened condition on yourself. When you fail a saving throw to avoid or end the frightened condition on yourself, you can choose to succeed instead. Once you succeed on a saving throw in this way, you can't do so again until you finish a long rest.
Mountainous Origins: You have resistance to cold damage. You also naturally acclimate to high altitudes, even if you've never been to one. This includes elevations above 20,000 feet.
Handicrafts: You gain proficiency in one skill of your choice. You gain proficiency with any one artisan's tools of your choice and either land or water vehicles.
Versatile: You gain the Skilled Talent or another Background Talent of your choice.
Essentially look like humans with proportionate dwarfism. All the parts of the body are smaller to the same degree and appear to be proportioned like an average statured human. Hauflins have a wider range of hair and eye colors than other humans like purple, blue, green, violet, pink, silver, white, etc.