The Natori Women's Pure Luxe Custom Coverage Contour Underwire Bra is a highly rated option for women's spacer t-shirt bras on Amazon. This bra features a luxurious and soft fabric that feels great against the skin. The contour cups provide a natural and rounded shape, while the underwire offers excellent support. The adjustable straps and hook-and-eye closure ensure a personalized fit. With its elegant design and comfortable construction, this bra is a top choice for women who want a spacer t-shirt bra that combines style and functionality.