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ShoeBuy has both women's and men's New Balance MX601 Running Shoes for $43.45 after $10 off $45 coupon code MOTHERSDAY07 valid through 5/14. As always at ShoeBuy, shipping is free, as is return shipping (so buy two sizes or colors if you need to). Both black and the white/navy color pictured are available in most sizes. There is no sales tax. See ShoeBuy's New Balance page for scores of other styles.