innerspring

/ˈɪnərˌsprɪŋ/
adjective
  1. Describing a mattress that has metal springs inside for support.
    • Innerspring mattresses are known for their bouncy feel and good airflow.
    • The hotel bed was an old innerspring model that creaked when you moved.
    • We chose an innerspring mattress because it was more affordable than memory foam.
Antonyms
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