Madewell Kellen Crocheted Sweater Tank in Vanilla. Size: Medium 100% Cotton. New with Tags. Crocheted in 100 percent cotton, this crewneck sweater tank has a cutaway shape for a bit of a '90s vibe and a scalloped hem. Throw it on with your favorite jeans or pair it with the matching cardigan for a cute twinset moment. Crop length: designed to hit between the waist and high hip. Body length from high point of shoulder: 17" (based on size M). Bust measures approximately 16.5 inches across, flat.