The Tavia Skirt from Reformation is a mid-rise mini skirt with an adjustable waist and lace detailing. The Tavia Skirt from Reformation is a mid-rise mini skirt with an adjustable waist and lace detailing. Founded in 2009, Reformation is a revolutionary lifestyle brand combining stylish, vintage-inspired designs with sustainable practices. With each limited-edition collection, the LA-based brand empowers individuals who want to look beautiful and live sustainably.