Vaegirs seem like generic faction compared to native as they use mostly sarranid + khergit heavy armors.
In native they have mix with Nord stile armors a bit more.
Main problem is when fighting Nords everyone takes leather suit as nomad one is just ugly so it is sometimes hard to recognize enemy.
I think it would be cool to replace it with the nomad fur clothes archer gets as it looks cool enough and has same stats almost.
Another addition I would propose would be mail hauberk (one for 1200 Nords have) as it is in Native, and maybe few cheaper axes curenlty not used.