The Alya midi dress by Baum und Pferdgarten boasts a tie belt at the waist, side slits, and whimsical puffed half-length sleeves. The Alya midi dress by Baum und Pferdgarten boasts a tie belt at the waist, side slits, and whimsical puffed half-length sleeves. Founded by Danish designer duo Rikke Baumgarten and Helle Hestehave in 1999, Baum und Pferdgarten is one of the leading Danish fashion houses. Their timeless and design-led collections are full of beautiful fabrics, memorable prints, and bold colors.