The Lilou Merino Top from Reformation is a work of art, made from 100% regenerative merino wool. Featuring a front-twist detail and a fitted silhouette. The Lilou Merino Top from Reformation is a work of art, made from 100% regenerative merino wool. Featuring a front-twist detail and a fitted silhouette. 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.