Double Platinum Womens Matte Metallic Performance Long Sleeve Crop Top. Set yourself apart this performance season with the Matte Metallic Collection by Double Platinum - featuring performance-ready silhouettes in lavish hues and a cosmic matte metallic finish. Be a sensation in this eye-catching bra top - featuring a mock neck, long sleeves, a neck closure, back keyhole, and allover matte metallic fabric. Bra top is front lined.