Yugster offers the High Sierra Riptide 25-Liter Backpack in four colors (Black pictured) for $29.97. Coupon code "FreeYugBuck" cuts it to $28.97. With free shipping, that's $6 under our mention from a month ago and the lowest total price we could find today by $10. It features an airflow back panel system, a 2-liter hydration system, a zippered accessory pocket, and padded shoulder straps.

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