Keller Long Sleeve Jumpsuit - BlackMeet The Keller Long Sleeve Jumpsuit in Black. This woven design is inspired by our best selling Keller Wide Leg Pant and features relaxed trouser legs with a figure defining bodice and long sleeves. It's handmade in Europe from a sustainable material that's infused with comfortable stretch. At the front, a zip fastening allows you to switch between a plunging V neckline and a classic collared crew, depending on your style. Oh, and there's a hidden