I've had issues with blisters on my heels anytime I went on a longer walk, especially on my right heel due to my right foot being smaller. Usually at about the 10 mile mark. I've tried all the usual stuff to no avail. After recent extreme blisters on both heels and both balls of my feet I did some research and came across a study into blisters that mentioned some promising studies into PTFE friction prevention. I dug a bit deeper and came across these on Amazon. The reviews were promising so I bought two pairs of the rectangles as they would cover a bigger area than the specific heel ones. I paid £25.84 for the two pairs.
IMAG0111 by
jon jen, on Flickr
I stuck one each on the insoles of my boots.
IMAG0114 by
jon jen, on Flickr
One each at the back of my boots.
IMAG0115 by
jon jen, on Flickr
Next day I walked 8 miles with a heavy pack and then the day after I covered 28 miles including going over Mount Keen once and the Mounth road back. I had no sign of any blister, not even a hot spot. Much better than I expected. I have since climbed Schiehallion too in complete comfort.
They work by reducing friction and stopping heat building up. I was worried my foot would slip around inside my boot but they don't. I like the fact that they go on the boot, not the foot, so sweat has no effect on them and they don't get glue all over my good socks. Like Zinc tape. They have changed my walking so much, I'm no longer stepping tentatively and I am confident to cover longer distances.
Some people complain about the price in the reviews but I would have given an arm to take the pain away on the walk back from Bynack Lodge with 4 big blisters and 15 miles to go. £25.84 is a small price to pay for comfort imo.
Yet to see how long they will last and the heel stickers are coming away a bit at the top due to me forgetting they were there when putting my boots on. A shoehorn would have prevented this. (or a bit more care)
All in all, I'm over the moon with these. I wouldn't usually be bothered writing a review about things but these have been a great find for my feet and I thought it only fair to give fellow sufferers a heads up.