Made from 100% lightweight silk charmeuse, Reformation's Olina Pant is a cult favorite for its relaxed fit and easy-going styling. Made from 100% lightweight silk charmeuse, Reformation's Olina Pant is a cult favorite for its relaxed fit and easy-going styling. 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.