Thermoform your liners
By yourself
THERMOFORMING IS ONLY POSSIBLE IN ELECTRIC BUILT-IN OVENS MEASURING 56 x 60 x 56 cm WITH A FAN MODE.
DO NOT ATTEMPT IN A GAS OVEN OR A SMALL TABLE TOP OVEN WITH VISIBLE HEATING ELEMENTS.
Heat your oven to 80°C in convection mode
2. Remove the inner bases of the liners, place the liners on the oven plate with some greaseproof baking paper
3. Wait 15 mins
4. Put the sock liners back in, put them on with a pair of ski-snowboard socks and tighten them (not too tight)
5. Put the boots on and tighten fully5. Wait for 15 minutes, remaining still
This can be repeated if necessary.