Our women's adaptive, or back open, undergarments are made of a comfortable and easy-to-care-for blend of cotton and polyester. Back Snap Slips $10.00 Back Snap Undershirts $10.00 Use our secure online ordering system or call 1-888-640-0814. We offer free shipping for orders totalling $100.00 or more and shipped within the U.S. Name labelling (if desired) is free regardless of the size of the order. For information about paying by check or money order, please click on the black INFO button in the upper left corner of the page.