Verdict
Head-to-head · Best Cooling Mattress Toppers

Helix GlacioTex Premium Topper vs Saatva Graphite Memory Foam Topper

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Helix GlacioTex Premium Topper comes out ahead by a narrow margin (4.6 vs 4.5). The gap is mostly about Hot sleepers who also want firmer, hybrid-style support on top of a mattress that has gone too soft, and will pay a premium for it. — read the strengths below before deciding.

Helix GlacioTex Premium Topper
Higher ratedRanked #2 in Best Cooling Mattress Toppers
Helix GlacioTex Premium Topper
$272as of Jun 7

The Helix GlacioTex Premium Topper is Sleep Foundation's Best Overall cooling topper, scoring 8.8 out of 10 with temperature control flagged as its defining strength. Its GlacioTex cover, a polyester-polyethylene blend, actively pulls heat away for genuine cool-to-the-touch contact, and the hybrid microcoil construction gives it a supportive, sleep-on-top feel. It is the priciest pick and carries only a one-year warranty, but for cooling-plus-support it is hard to beat.

Strengths
  • Sleep Foundation's Best Overall cooling topper at 8.8/10, with temperature control called 'a defining strength'
  • GlacioTex cooling cover (polyester-polyethylene blend) actively pulls heat away from the body for cool-to-the-touch contact
  • Hybrid construction with microcoils adds supportive bounce, so you sleep more on top than in the foam
Watch-outs
  • The most expensive topper here at around $499, well above budget options
  • Only a 1-year warranty, short compared with Bear's lifetime coverage
  • At 3.75 inches it is thick and heavy, which can complicate sheet fit and rotation
Saatva Graphite Memory Foam Topper
Ranked #3 in Best Cooling Mattress Toppers
Saatva Graphite Memory Foam Topper
$305as of Jun 7

The Saatva Graphite Memory Foam Topper is the value-and-trust pick: graphite-infused foam that measurably offsets heat, an 8.6 out of 10 from Sleep Foundation, a 4.7 average from nearly 200 buyers, and an unrivaled 180-night trial. At a flat $295 it cools well, relieves pressure, and supports the lower back, even if it is not the single coolest topper on the market. The long risk-free trial makes it the easiest topper here to buy with confidence.

Strengths
  • Graphite-infused memory foam offsets heat retention, earning an 8.6/10 from Sleep Foundation and an 8.4/10 cooling sub-score from Tom's Guide
  • Carries a 4.7 average star rating across nearly 200 verified buyer reviews
  • Industry-leading 180-night sleep trial with free returns, the longest on this list
Watch-outs
  • Cooling is good but not best-in-class; one rival reviewer called it strong, not the very best on the market
  • High-density memory foam runs warmer than a phase-change or hybrid design under heavy sleepers
  • Medium feel may be too firm for dedicated side sleepers wanting deep cushion

How they stack up

Helix GlacioTex Premium Topper

Cools comparably to the Bear Pro Topper and the Saatva Graphite Topper, but its hybrid microcoil build gives it more support and a firmer, sleep-on-top feel than the all-foam Layla Copper Memory Foam Topper or ViscoSoft 4-Inch Pillow Top Topper. It is the priciest option here, above the Bear Pro Topper and Saatva Graphite Topper.

Saatva Graphite Memory Foam Topper

Cools nearly as well as the Bear Pro Topper and Helix GlacioTex Premium Topper while costing less than the Helix GlacioTex Premium Topper, and it pairs that with the longest trial here at 180 nights. Firmer and more supportive than the plush, contouring Layla Copper Memory Foam Topper and ViscoSoft 4-Inch Pillow Top Topper.

Specs side-by-side

SpecHelix GlacioTex Premium TopperSaatva Graphite Memory Foam Topper
MaterialHybrid: foam layers + microcoilsGraphite-infused memory foam
Thickness3.75 in3 in
CoverGlacioTex cooling cover (polyester-polyethylene)
Cooling TechGlacioTex heat-pulling coverGraphite infusion
FirmnessLuxury Plush or Luxury FirmMedium
FasteningNo-slip straps
CertificationGREENGUARD Gold, CertiPUR-US, fiberglass-free
Warranty1 year
SizesTwin through Cali King
Best SleepersBack and stomach
Trial180-night sleep trial, free returns
Buyer Rating4.7/5 (approx. 197 reviews)
← See the full ranking of best cooling mattress toppers