Restonit
Twin XL Mattress - Glacier Peyto
Twin XL Mattress - Glacier Peyto
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The Glacier Peyto in Twin XL is a soft-yet-supportive mattress built for single sleepers who want 5 extra inches of legroom over a standard Twin. It's our go-to pick for tall teens, guest bedrooms, and split-king adjustable-base setups where each side is a separate Twin XL mattress.
What It Is
- All-foam construction: gel-infused memory foam comfort layer over high-density bio-soy-based foam core
- 10 inches thick
- Medium-plush firmness (approximately 4 to 5 on a 10-point scale)
- Easy-access zippered cover
- 10-year warranty
- Made in Canada by Restonit
Dimensions
| Size | Length | Width | Height |
|---|---|---|---|
| Twin XL | 80" | 38" | 10" |
Twin XL is 5 inches longer than a standard Twin (80" vs. 75") and the same width (38"). Ideal for tall sleepers, adult guest bedrooms, and split-king adjustable-base setups.
Comfort Design
The Glacier Peyto pairs a contouring memory foam top with a firmer high-density bio-soy foam core. The result is a mattress that feels soft and cradling on first contact without letting the hips sink out of alignment with the rest of the spine. Medium-plush works for most side sleepers and average-weight back sleepers.
A Note on Cooling
The Glacier Peyto has a cool-to-touch cover and gel-infused memory foam, both of which improve heat conductivity compared to plain memory foam. Let's be straight about what that actually means:
- Cool-to-touch cover: Feels cool when you first lie down. The effect fades as the surface warms to body temperature, usually within the first 10 to 15 minutes.
- Gel infusion: Modest improvement in heat dissipation vs. plain memory foam (which is notorious for trapping heat). Useful but incremental.
- What it does not do: It does not refrigerate the bed or lower your room temperature. For active cooling, see our smart mattress cover guide. For bedroom temperature management, see our bedroom temperature guide.
- All-foam trade-off: Even with gel, all-foam mattresses breathe less than pocket-coil hybrids. Serious hot sleepers may prefer our Oasis hybrid for better airflow.
Who It Suits
- Tall single sleepers. The extra 5 inches of length over a standard Twin matters if you're over 5'10".
- Teens and young adults. Twin XL is standard in most university residences, so it's a practical pick for a transitioning bedroom.
- Adjustable base split-king setups. Two Twin XL mattresses side-by-side = a standard king footprint with independent adjustment.
- Guest rooms where a full/queen doesn't fit. Twin XL gives proper adult legroom in a narrower footprint.
Technical Specifications
- Mattress Type: All-foam, gel-infused memory foam + bio-soy core
- Height: 10 inches
- Firmness: Medium-plush (approximately 4 to 5 of 10)
- Comfort Layer: Gel-infused memory foam
- Support Core: High-density bio-soy-based foam
- Cover: Cool-touch stretch fabric with zipper access
- Warranty: 10 years
- Made in Canada by Restonit
Pairs Well With
- Double Glacier Peyto — same mattress, Double size
- Ergomotion Quest 2.0 Adjustable Base — Twin XL adjustable for a split-king setup
- Ergomotion Quest 4.0 Adjustable Base — premium adjustable with zero-gravity preset
- Browse all mattresses
Visit Our Brantford Showroom
Mattress Miracle
441 1/2 West Street, Brantford, ON
Phone: (519) 770-0001
Hours: Mon-Wed 10-6, Thu-Fri 10-7, Sat 10-5, Sun 12-4
Family-owned Brantford store, serving our community since 1987.
Common Questions About the Twin XL Glacier Peyto
What is the difference between Twin and Twin XL?
Both are 38 inches wide. Twin is 75 inches long; Twin XL is 80 inches long — five inches of extra legroom. Twin XL is the standard size used in university residences and the size used for split-king adjustable-base setups (two Twin XL = one King footprint).
Can two Twin XL mattresses make a king for an adjustable base?
Yes. Two Twin XL mattresses side-by-side measure 76 inches wide by 80 inches long — the same footprint as a standard King. This is how most adjustable-base split-king setups work: each side has its own mattress and its own independent adjustment.
Does the Glacier Peyto sleep hot?
Cooler than plain memory foam because of the gel infusion and cool-to-touch cover. Not as cool as a pocket-coil hybrid because all-foam breathes less than hybrid construction. If heat is your top concern, consider the Oasis hybrid instead.
Is the Glacier Peyto suitable for an adjustable base?
Yes. All-foam mattresses are ideal for adjustable bases because they flex freely at the head and foot hinge points without damaging internal structure.
How firm is the Glacier Peyto?
Medium-plush, approximately 4 to 5 on a 10-point scale. Works well for side sleepers and average-weight back sleepers. Stomach sleepers and heavier sleepers may want something firmer.
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