Amazon cuts 20% off a selection of men's, women's, and kids' athletic shoes via coupon code "20ATHLETIC". Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise shipping starts at $5.48.) Choose from brands such as ASICS, adidas, PUMA, New Balance, and more. Deal ends January 5. A couple of best bets after coupon: Note: The coupon is only valid for items sold and shipped by Amazon. Orders placed today via 1-day shipping are guaranteed for Christmas delivery.

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