Barefoot hiking and ankle support

This is the one hiking question where both sides have a genuine mechanical argument, and the honest answer is that they are both describing something real. Rather than pick a camp, it is more useful to work out which effect dominates in your situation.

It restricts the range of ankle motion. A rolled ankle is an inversion injury — the ankle moving further than the ligaments tolerate. A cuff that physically prevents your ankle reaching that range prevents the injury. This is not a marketing claim; it is geometry.

It also delays and dulls your own correction. Your ankle's primary defense is not a ligament, it is a reflex: sensors detect the start of a roll and the peroneal muscles fire to correct it, in tens of milliseconds. A stiff cuff plus a thick sole gives those sensors less information and gives the muscles less to do.

Both are true simultaneously. The cuff is a passive defense that works when the active one fails; it also makes the active one less practiced over time.

Note that the third variable is the one you can change, and it is the one both camps ignore. "Do I need ankle support" is partly a question about your ankles rather than about your footwear.

If you want to hike in low flexible shoes, train the thing that protects you in them. The useful work is balance and proprioception rather than strength in a gym sense:

1. Single-leg balance, barefoot, 30 seconds each side. Progress to eyes closed, which removes vision and forces the ankle and foot to do the work.
2. Single-leg balance on an unstable surface — a folded towel or a cushion. Progress to small reaching movements while balanced.
3. Slow calf raises, single leg, which build the muscles that control the ankle through range.
4. Walk on uneven ground deliberately. Grass, rough paths, shingle. The adaptation is specific to varied ground, and a treadmill gives you none of it.
5. Toe splay and grip work. Your toes are part of your balance system and a tapered toe box has been stopping them participating.

Full exercise set. And note the honest framing: this reduces risk, it does not eliminate it. Strong ankles still roll.

A barefoot hiking boot — the Vivobarefoot Tracker — gives you an over-the-ankle upper for weather and abrasion protection without the motion restriction of a stiff cuff. You get some of the boot's benefits and keep the proprioception.

Be clear about what that is and is not: it is weather protection and some abrasion protection over the ankle bone. It is not the passive motion restriction that makes a stiff conventional boot protective under a heavy load. Hiking boots.