Wrapped coils are pocketed coils, but the facts do not establish a direct comparison with innerspring mattresses as a whole. To compare an innerspring listing, check its coil type, gauge, and overall construction; back sleepers should check lumbar support. Cheaper innerspring models around $300 or less may not work with adjustable bases, so check compatibility.
Pocketed coils are also called “Marshall coils” or wrapped coils in Sleep Foundation’s glossary. Individually wrapped coils have fabric sleeves, so check the product listing for one of those labels when identifying this spring construction. Treat those terms as alternate names for the same coil type when comparing descriptions, rather than as separate spring types.
Connected Bonnell coils move as a single unit because they are interconnected. Check whether a product description names connected Bonnell coils when comparing how that spring design moves.
Pocketed coils are better able to contour to the body because each coil moves only when pressure is placed directly on it. From this position, the coils can provide deep spinal support, while comfort layers on top help cushion the sleeper and reduce pressure points. For a mattress listing, compare coil movement and top-layer cushioning as separate details.
Coil count alone offers no meaningful information about a bed’s feel, performance, or durability, so compare count with gauge, type, and construction. Avocado says firmness comes from wire diameter, coil diameter, turn count, and preload together. Use those construction details alongside the listed count instead of expecting count alone to describe the mattress’s feel.
For back sleepers, check whether the hips sink too deeply.
Saatva calls proper lumbar support the most important consideration.
For value, compare price with base compatibility, contouring, and coil quality and type.
Higher count is no guarantee: Avocado says a well-engineered unit with fewer coils can perform better than a poorly designed unit with a higher count. Nest says damage or sagging resulting from improper or non-compliant support are not manufacturing defects and are not covered under its warranty. Before choosing by count, check the bed’s support requirements; Nest’s stated warranty exclusion applies to damage or sagging resulting from improper or non-compliant support.
Look beyond the coil count: Sleep Foundation says a bed’s count should be considered with gauge, coil type, and overall construction. Before comparing mattresses, check those specifications together rather than using the advertised count as the entire comparison.
Check the mattress maker’s requirements for bed slats, center support, and adjustable-base fit before choosing a platform or adjustable setup.
DreamCloud describes a hybrid as comfort layers, such as memory foam or latex, paired with a pocketed innerspring coil system. That one-company definition does not prove that all pocket-coil beds are hybrids.
Sleep Foundation defines pocketed coils as coils individually wrapped in fabric sleeves, also called Marshall or wrapped coils. The definition does not confirm “pocket” or “pocket-sprung” as exact synonyms.
Lower coil gauge means thicker, firmer coils; firmness comes from wire diameter, coil diameter, turn count, and preload together.
We read 10 published pages from 7 sites (Sleep Foundation, Saatva, tomsguide.com, help.avocadogreenmattress.com and 3 more), checked in October 2026. Every sentence in the answers above cites one of them; the offer card at the end names its own source. This page reports published sources only; we did not test mattresses in person.