Shop › The Jo Image 1 of 6 Image 2 of 6 Image 3 of 6 Image 4 of 6 Image 5 of 6 Image 6 of 6 The Jo $250.00 100% wool knit black cross back halter top. Available in a variety of colors upon request. Stretches to fit size XS to M. Add To Cart Added! 100% wool knit black cross back halter top. Available in a variety of colors upon request. Stretches to fit size XS to M.