Free Overnight Shipping - 'Nitro' is a comfortable squared-toe pump that will give your feet a lift. Sleek silhouette crafted from stretch fabric with accents in supple nappa leather. Cushioned insole provides comfort with every step. Leather covered wedge heel adds visual appeal and stylish grace. Textured rubber outsole provides flexibility and traction. From the J. Renee® Red Collection. Wedges.