Reebok takes 40% off a selection of its Reebok Men's, Women's, and Kids' Crossfit Nano 4.0 Shoes via coupon code NANO4. Plus, all orders bag free shipping. Deal ends September 23.

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Some best bets, with prices after discount:
-- Reebok Women's Crossfit Nano 4.0 Shoes for $59.98 (low by $40)
-- Reebok Men's Crossfit Nano 4.0 Shoes for $59.98 (pictured, low by $20)