Deal of the Day: The deal: Bseash 40L Waterproof Hiking Backpack , $33 Standout features: Keeps items dry with a rain cover, fits a 3-liter water bladder, numerous pockets and water bottle holders, and it’s super lightweight. What shoppers say: One person said they “didn’t even notice the weight” of the fully-loaded pack after 10 miles, while another appreciates the frameless design that keeps it “so light” while still “holding everything.” Spring is the best time to hit the trails for waterfalls, wildflowers, and all my favorite scenes in nature—but hiking in the wet season comes with its share of challenges. As a longtime hiker who’s been caught in spring showers more times than I can count, I know the discomfort of slogging in soggy socks and sopping clothes all too well. Over the years, I’ve learned the importance of DWR-coated nylon, Gore-tex, and a rain cover.…