Yawnder Reviews
Back Science Mattress Review: Current Series & Policies
Back Science currently sells an Essentials model plus Series 1, 2 and 3 hybrids, with the lineup stepping from firmer back-sleeper support to more pressure-relieving luxury builds.
Current specs and policies
| Current lineup | Essentials, Series 1, Series 2, Series 3 |
|---|---|
| Series 1 height | 11 inches |
| Series 2 height | 12 inches |
| Series 3 height | 14 inches |
| Trial | 365 nights |
| Full-return window | First 120 days |
| Return shipping | $199 outside local SoCal area |
| Series 1/2/3 warranty | 30-year limited |
Who should consider it
Best for sleepers who want unusually explicit lumbar-support engineering, multiple firmness tiers and post-purchase comfort adjustments.
Who should skip it
Skip it if you want a simple one-model lineup or dislike the idea of a more involved comfort-adjustment process.
What matters most
For a page without a complete standardized scorecard, the useful decision points are the mattress construction, feel, policy terms, long-term serviceability and how well the design matches your sleep style.
Check current price and availability →
Yawnder Reviews · Disclosure: Some links may be affiliate links. Manufacturer specifications, prices and policies can change.
How Back Science mattresses are designed
Back Science markets a selection of mattresses with different cushioning and support designs. Its Series 1 product page describes a hybrid with foam and individually wrapped coils. The page includes a model-specific layer diagram; compare the specifications for Series 2, Series 3 and Essentials separately instead of assuming every model has the same build. For help comparing layers, see our mattress construction guide.

This page summarizes manufacturer information and buying considerations. The existing Yawnder record does not include a complete model-specific standardized score for these mattresses.
Choosing between models
The earlier Yawnder guide describes Series 1 as a firmer starting point and Series 2 and 3 as options with more cushioning. Specifications, availability and firmness descriptions can change. Ask the manufacturer to explain the current differences in your size and compare the beds in your normal sleeping position if possible.
| Priority | What to check |
|---|---|
| Firm surface | Compare Series 1 with the other models and assess whether the shoulder and hip feel comfortable. |
| More cushioning | Ask how Series 2 and 3 differ, then check pressure relief in your own sleeping position. |
| Sharing a bed | Try the mattress together and assess motion and edge support. A coil or foam description alone is not a measured score. |
| Customization | Ask which layers can be adjusted, who installs them and what happens if an adjustment does not work. |
Understand the trial before buying
Back Science’s current direct-purchase trial page describes comfort adjustments or exchanges during 365 nights, but says a full mattress return for refund must be requested within the first 120 days. It lists a $199 return fee, waived for Southern California customers, with possible additional service or location fees. Verify eligibility, the precise local area, refund calculation and the terms for your order with the seller.
The company’s Series 1 page advertises a 30-year warranty. A warranty concerns covered defects; its terms are different from the comfort trial. Read the warranty and foundation requirements for the specific model.
Comfort and back-support considerations
A supportive feel is personal. Back sleepers may prefer a different balance of cushioning and firmness than side sleepers, whose shoulders and hips often need more give. If you sleep with a partner, test both sides and the edge in your normal positions.
A mattress may change comfort, but no model can promise to diagnose or cure back pain. Consider your preferences and any advice from your own clinician when choosing.
Frequently asked questions
Can I receive a full refund throughout the 365 nights?
The current trial page says refunds are available during the first 120 days, while adjustments and exchanges are described for the longer trial. Confirm current written terms and fees before buying.
Is Series 1 all foam?
No. The current Series 1 is marketed as a hybrid with individually wrapped coils and foam layers.
Is a firmer mattress always better for back pain?
No. Comfort and support depend on the sleeper; too firm or too soft can feel uncomfortable to different people.
Compare this mattress against 142 tested mattresses
Sort all 142 mattresses we have tested by pressure relief, support, cooling, motion isolation, edge support, price, trial and warranty, then filter by how you actually sleep. Of those, 84 hold a complete standardized record and 41 a partial standardized record.