Adapting fins to fit feet better

[TerryJamesWalker]

Hi All,
My girlfriend just bought some Sporasub Spitfire kelp fins. They seemed to fit fine. However after 30 mins in water, unbearable pressure points on the outside of here feet. My background is ski instructing and with our boots we would heat up and bend, or grind out the sore spots to make room. 1mm is massive in terms of foot comfort.
We're new to freediving and wondered if this is done much and if so how. I can't find much on google/YouTube.
TIA

 

[Bill McIntyre]

Years ago I used a heat gun to change the fit of Pathos pockets. As I recall, I wore a thick pair of socks under my fin socks. Others have reported using a hair dryer and one guy said he submerged his foot in very hot water. Anyway, the heat gun worked for me.

 

[TimHouTX]

Yup ^^ I doubled up on socks and used the heat gun on low to soften the rubber. Let cool and remove. Just make sure to mark "Left" and "Right" on the foot pockets as they'll be formed to your feet.

 

[musubi]

Same here, with my Cetma S-Wing pockets, I had spots that were making my foot ache. I put double socks on, used a heat gun and formed and stretched my pocket out a bit. No issues since. Just remember to do this in small increments as you can't shrink the pocket back down.
I also labelled them for my left and right foot.