Serta Perfect Sleeper Glenmoor 3.0 Pillowtop Twin Mattress Set

by Serta |
Item # 990000340

Why we love this

This best-selling mattress has Serta's exclusive HexCloud™ memory foam and individually wrapped coils for superior support.

About this item

  • 14" medium pillowtop mattress
  • Unparalleled support with the1000 Edition Individually Wrapped Coil
  • Ultimate pressure point relief with premium HexCloud Gel Memory Foam
  • Antimicrobial mattress protection to keep your mattress fresh and clean from odor-causing bacteria
  • Set includes a standard 9" or low-profile 5.75" foundation
  • White Glove Delivery+ includes set-up and mattress relocation or haul-away
Current price: $658.00
Freight Shipping
Free shipping
The freight carrier contacts you for delivery time and details.


Give yourself the gift of comfort with the Serta® Perfect Sleeper® Glenmoor 3.0 medium pillowtop mattress. This mattress features a premium layer of Serta exclusive HexCloud™ Gel Memory foam with unique geometric cutouts to deliver cool, contouring pressure relief. Plus, the cleanest kind of comfort with Antimicrobial mattress protection to keep your mattress fresh and clean from odor-causing bacteria+ and a cool-to-the-touch feel with our CoolFeel™ fabric. 

*This product does not protect users against bacteria, viruses, germs, or other disease organisms.

Serta® Perfect Sleeper® The enhanced, all-new Perfect Sleeper provides more than 40% better pressure relief with the help of our exclusive Serta Cloud foams.* The Perfect Sleeper is built with Serta’s exclusive HexCloud™ Gel Foam which features unique geometric cutouts designed to help relieve pain from pressure points. Serta’s custom coil systems offer outstanding support while minimizing motion transfer. CoolFeel™ Fabric on the sleep surface provides a comfortable, cool-to-the-touch- sensation from plant-derived technology**. Best Edge® Foam Encasement helps reduce the edge roll-off, extending the sleep surface.

*Average of new Perfect Sleeper vs. average of previous Perfect Sleeper

**Serta's biobased phase change material consists of 53% biobased content and is certified through the USDA BioPreferred® Program.


Antimicrobial Mattress ProtectionThe cleanest kind of comfort with antimicrobial mattress protection. Keeps mattress fresh and clean from odor-causing bacteria.*

*This product does not protect users against bacteria, viruses, germs, or other disease organisms.


Delivery, Set-up and Mattress Haul-awaySerta's White Glove Delivery+ Service* includes in-home delivery, up to two flights of stairs. The delivery agent will remove the mattress from packaging and set-up basic bed frames (if no tools are required). The Member may ask the delivery agent to move a used mattress to another room at the location or haul-away the old mattress from the premises. Estimated delivery time is 10 to 12 business days for standard zones; remote zones may take longer. The delivery agent will call the Member to set up an appointment.


Twin Size Convenience

This Glenmoor 3.0 mattress is an ideal starter bed for your little one. Maximize a dorm room, loft or studio space with this convenient twin-size mattress.

Medium Firmness

Sleep in cushioned comfort throughout the night and easily get off the bed in the morning. The medium firmness level of this Glenmoor 3.0 pillowtop mattress provides ample bounce that does not let you sink for a restful, refreshing night's sleep.

What are the measurements/assembled size?

This Glenmoor 3.0 pillowtop twin mattress approximately measures 14"H x 37.5"W x 74.5"L and comfortably fits a single sleeper.


Mattress Buying GuideLooking for the perfect mattress for your needs? Click to view our  Mattress Buying Guide.


Need Help? Ask our dedicated Sam’s Club members-only Serta hotline, staffed especially for you by Serta Mattress Specialists: 1-888-240-1945 available 24 hours/7 days a week.

Member reviews & questions


"Membership is required to complete an in-club or curbside pickup purchase at Sam's Club."