ZhangYanBM via Amazon has 20L Seektop Ultra Lightweight Waterproof Hiking Backpack (Various) on sale for $29.50 - $14.75 (apply promo code GO7L52DE at checkout) = $14.75. Shipping is free with Prime or on $35+ orders.

• Note: Promo codes are typically for one-time use and don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.

Thanks to Deal Hunter babgaly for finding this deal.

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