Achieve the perfect fit with the FootFitter Vamp & Instep Stretcher, designed to expand the vamp and instep for enhanced comfort. Compatible with both left and right shoes, using a pair ensures even stretching. Ideal for sneakers, dress shoes, flats, and low-top footwear, this stretcher is not suitable for boots, cowboy boots, high heels, or steel/rubber-toe shoes. Maximize results by pairing it with FootFitter Shoe Stretch Spray, a powerful formula that softens leather, suede, nubuck, and natural materials, making them more flexible. Simply apply the spray to tight areas, insert the stretcher, and gradually expand your shoes for a custom, comfortable fit.