At Men's Wearhouse, buy one select pair of jeans and get a second pair for free. (Alternately, get 50% off select additional items.) Shipping adds $8, or spend $99 or more to qualify for free shipping. (In-store pickup may also be available.) Note that sizes may be limited.

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A couple best bets:
-- 2 Pairs of Men's Wearhouse Men's Pronto Uomo Blue Relaxed Fit Jeans for $9.99 ($90 off)
-- 2 Pairs of Men's Wearhouse Men's Pronto Blue Classic Fit Jeans for $29.99 ($110 off)