Roux Aleph Sweatshirt in LilacRoux Aleph Sweatshirt. The Aleph Sweatshirt has a round neck with rib trim. Preshrunk and runs true to size. 100% Cotton Roux Roux Kids is a contemporary childrens clothing brand rooted in simplicity, comfort, and joyful design. Based in Los Angeles, the label creates thoughtfully designed kids essentials, think soft, elevated basics and vibrant mix and match pieces that make everyday dressing feel effortless and fun..