Hiking footwear height genuinely trades off support against agility — taller isn't simply "more protective" with no downside.
Low, mid, or high
Low-cut hiking shoes sit below the ankle, closer to a trail running shoe, prioritizing lightweight agility and flexibility — a good fit for well-maintained trails and day hikes without a heavy pack.
Mid-cut boots cover the ankle bone, offering meaningfully more support and some protection from trail debris while remaining reasonably flexible — the most common all-around choice for general hiking.
High-cut boots extend further up the lower leg, offering the most ankle support and protection, generally favored for backpacking with a heavy pack, rough or uneven terrain, or carrying weight where ankle stability matters most. The tradeoff is more weight and stiffness, which can feel restrictive on easier, well-established trails where that extra support isn't really needed.
More support isn't automatically better — a heavier, stiffer boot on an easy trail can be more tiring over distance than a well-fitted low or mid-cut shoe suited to the actual terrain.
Waterproofing is a genuine tradeoff, not a pure upgrade
Waterproof membranes (like Gore-Tex) keep water out effectively, but they also reduce breathability compared to non-waterproof mesh options, which can mean hotter, sweatier feet in warm conditions. For hot-weather hiking on generally dry trails, a non-waterproof, more breathable shoe is often more comfortable overall; for wet conditions, stream crossings, or cold weather, waterproofing earns its breathability tradeoff.
Break them in before a real trip
New boots, especially stiffer mid and high-cut styles, often need a period of regular wear to properly break in and mold to your feet — going straight from the box to a long hike is one of the most common ways to end up with painful blisters or hot spots that a bit of pre-trip break-in time would have prevented.
The one thing people forget
Try boots on with the actual socks you'll hike in, ideally later in the day when feet have naturally swollen slightly, the same way they will on a long hike. A boot that fits well first thing in the morning with thin socks can feel noticeably tighter by afternoon on an actual trail.