1. how do they fit now? comfy? then don't bake. tight? then sure.
2. if you get alot of days/year, then just go burn em down with a few days in a row. If you don't get many days, you don't wanna spend those few days in pain, do what it takes now to make em comfy.
3. my Lashed liners are pretty thin (not much to mold) compared to my TM-Two liners and actually have always fit me perfect out of the box (I have added Remind Medic insoles). The Tm-twos on the other hand have always been super tight in the toebox and I have done a ton of baking(I put them in the dryer on high for like 15 minutes before putting them on, fully tied in the boot, with extra sock/tape layers on my foot to pound out the spots I need room in) and stretching to get them to fit.
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