ILD (Indentation Load Deflection): Definition & What It Means for Buye

ILD (Indentation Load Deflection): Definition & What It Means for Buye from Sleep Sage's independent testing team. Every recommendation on this page was earned through measured performance — not paid placement.

What you'll find on this page about ild: lab-measured scores, hands-on testing notes, our recommended buyer profile, current pricing intelligence, and a clear verdict from the Sleep Sage editorial team. Page last reviewed August 2026.

A measurement of how firm a foam is, expressed as the pounds of force required to compress a 4\