a construction where the upper is closed off the last and sewn to a textile sock at the bottom, creating a soft “bag” upper, then heated and slipped over a last to cool and take shape
Strobel constructed uppers are typically cemented or vulcanized to an outsole or midsole.
The vast majority of athletic shoes are made this way today.
Strobel construction can be combined with board lasting, with one method used for the forepart and the other for the backpart.