The Jumper Slice by MOTHER is a crewneck sweater with drop shoulders, ribbed hems, and a cropped, boxy fit. The Jumper Slice by MOTHER is a crewneck sweater with drop shoulders, ribbed hems, and a cropped, boxy fit. MOTHER evokes the memories and experiences of growing up in California in the ’70s – what you were wearing, what you were doing, and who you were getting into trouble with. Today, the based-in-LA brand offers denim, sportswear, outerwear, and accessories.