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I am currently wearing Nike ACG Air Zoom Tallacs during my hikes. They claimed as Nike's lightest hiking boot. Even though I feel that they are broken in, I am still getting hotspots and blisters. I made sure I got the proper size and such. Well I'm in the market for new shoes now. This is where I need help. I do a bunch of shopping at REI since they have a store in Houston. REI classifies their men's hiking boots into two catagories. 1. Waterproof "Day" hiking boots and 2. Waterproof "backpacking" boots. Right now I am merely day hiking. In the next two months or so, I will begin backpacking. Should I stick with the day boots or get something fit for backpacking? I'm assuming backpacking boots have more support and are heavier (don't like the added weight).

Thanks.