From Longman Dictionary of Contemporary Englishspike heelsspike heels[plural] a pair of women’s shoes with very high thin heels → spike
Examples from the Corpus
spike heels• Marie said and hung up quickly as Astrid teetered back into the office on her gold spike heels.• And then Doreen entered the dining-room, walking carefully on her high spike heels.• Set off the look with a pair of high spiked heels.• If I were you I'd change those spike heels for walking shoes and explore the place. 