US
ViscoSoft

Viscosoft 3 Inch Memory Foam Mattress Topper Twin XL

  • 3 inch memory foam, Twin XL
  • Removable washable cover, 400 thread count
  • Adjustable straps and slip-resistant mesh
  • 21 pounds, 5 year warranty
  • Cover: 40% rayon from bamboo, 60% polyester

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A thick high-density memory foam topper sized for dorm beds, with straps and a washable cover. It is heavy for its size and not water resistant.

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ASIN: B01MSL0UA3Category: Mattress Toppers

Sizes Available

California KingKingQueenShort KingTwinTwin XL

Styles Available

2 Inch4 Inch

Need a different one? Pick on Amazon →

Overview

A college dorm sleeper gets a thick foam layer made to cushion a hard mattress. The cover pulls on, and adjustable straps with slip-resistant mesh help stop the topper from shifting.

The reason to buy is added cushioning plus a cover that can be laundered. The limit is weight and moisture: the foam is heavy to move and the cover does not block liquid.

Who it's for

Students and guests on firm Twin XL mattresses will use the extra cushioning. People who sleep hot, or who need to carry the topper often, should consider thinner or lighter options.

Pros and cons

Pros
  • High-density memory foam
  • Washable removable cover
  • Straps limit shifting
  • Cooling feature listed
Cons
  • Heavy to move
  • Not water resistant
  • Firmness not stated

Performance notes

Memory foam responds to body heat and weight, contouring around shoulders and hips to ease pressure points. The straps and mesh work against the mattress to limit slipping. Because foam holds warmth, the cooling feature matters for hot sleepers.

Specifications

BrandViscoSoft
Dimensions & fit
SizeTwin XL
Item weight21 pounds
Capacity & performance
Age Range DescriptionAdult
Construction & materials
Material TypeMemory Foam
ColorCream
Fabric Type40% Rayon from Bamboo / 60% Polyester
Included components
Included ComponentsAdjustable straps, slip-resistant mesh
Unit Count1 Count
Warranty & support
Manufacturer Warranty Description5 Year Manufacturer's Warranty
Other details
Water Resistance LevelNot Water Resistant
Closure TypePull On
Thread count400
Product Care InstructionsMachine Wash
Item Type NameMattress Topper
Other Special Features Of The ProductCooling

Frequently asked questions

How do I keep the ViscoSoft topper from sliding?

The listing includes adjustable straps and slip-resistant mesh. The cover also pulls on over the foam.

Is the ViscoSoft topper waterproof?

No. It is listed as not water resistant.

Can I wash the ViscoSoft topper?

The care line says machine wash, and the highlight line describes a removable, washable cover.