The product is Spenco Polysorb Cross Trainer Insoles in US Size 4, designed for shoe sizes 10-11.5 for men and 11-12.5 for women. These insoles are made by the brand Spenco, known for their high-quality shoe care products. The Spenco Polysorb Cross Trainer Insoles are ideal for enhancing comfort and support while wearing athletic shoes, making them perfect for individuals who are active or on their feet for extended periods of time.JX
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