Both effects are 10 points constant on self:
After completing "The Skaal Test of Wisdom" quest, the Nerevarine discovers that there has been an incident of extreme violence at the Thirsk Mead Hall in the Felsaad Coast region. Svenja Snow-Song, the sole survivor, requests that the Nerevarine hunt down The Udyrfrykte, a mystical beast that is responsible for the massacre. Skjoldr Wolf-Runner is among the dead. These boots are on his body.