Sleep Warm. Sleep Light. Go Further.
Meet the ATEPA GridX 8 – the ultralight, high‑R‑value inflatable mat built for the most demanding cold‑weather adventures. Weighing just 1.68 lbs and packing down to the size of a water bottle (5.1″ x 5.5″), this pad delivers extreme insulation without weighing you down. Whether you're backpacking in snow, camping in sub‑zero temps, or just want dependable comfort on any terrain, the GridX 8 is your all‑season sleep solution.
Key Features:
✅ R‑Value 8 – Built for Extreme Cold
Engineered to perform down to ‑20°C (‑4°F), thanks to its advanced 13‑layer heat‑trapping design. Each internal air chamber is separated with insulating material to minimize heat loss, keeping you warm when it matters most.
✅ Ultralight & Ultra‑Compact
At only 1.68 lbs, this pad lightens your load without compromising warmth or comfort. Packs into a compact 5.1″ x 5.5″ stuff sack – ideal for backpacking, thru‑hiking, and travel.
✅ Durable 20D Nylon TPU Construction
Made from robust, PVC‑free materials that resist punctures and tears. The 4″ thickness provides ample cushioning against rocks and uneven ground, so you wake up refreshed, not sore.
✅ 2‑in‑1 Inflation/Storage Sack Included
Use the included sack to pack your mat – or attach it to the valve for quick, easy inflation. No extra pump needed.
✅ All‑Season Versatility
Perfect for winter camping, alpine hikes, beach trips, festival sleeping, or even as a spare guest mattress at home. Wherever you rest, rest better.
Specs at a Glance:
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R‑Value: 8 (4‑season, extreme‑cold rated)
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Weight: 1.68 lbs (includes stuff sack)
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Packed Size: 5.1″ x 5.5″
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Unfolded Size: 76.4″ L × 24.4″ W × 4″ H
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Materials: 20D Nylon TPU, 5‑layer aluminum foil insulation
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Includes: Mat, repair kit, 2‑in‑1 inflatable stuff sack, elastic strap
Why Choose the GridX 8?
“I used this pad on a winter backpacking trip in the Rockies. At 1.68 lbs, it barely added any weight, but the R‑8 kept me warm through 15°F nights. The dot‑grid texture also kept my sleeping bag from sliding around – awesome design!” – Alex, Verified Buyer
Ready for Your Cold‑Weather Mission?
Click Add to Cart now and step into the outdoors with confidence – warmth, comfort, and reliability packed into one ultralight mat.
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ATEPA GridX Series Sleeping Pads
Find the perfect sleeping pad for your adventure
GridX 8
$129.99
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GridX 7.2
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GridX 5.5
$109.99
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| R-Value | 8 | 7.2 | 5.5 |
| Weight | 1.68 lbs / 760g | 1.57 lbs / 710g | 1.5 lbs / 680g |
| Dimensions | 76.4" L × 24.4" W × 3.94" H | 76.4" L × 24.4" W × 3.94" H | 76.4" L × 24.4" W × 3.94" H |
| Pad Thickness | 3.94 in | 3.94 in | 3.94 in |
| Packed Size | 10.24" x Φ5.5" | 10.24" x Φ5.5" | 10.24" x Φ5.5" |
| Key Features | High R-Value: 13‑Layer HeatLock Construction – Advanced layers of aluminum foil & insulation separate each air chamber to trap warmth and slash weight, keeping you hot when it’s not. | High R-Value: 9‑Layer HeatLock Construction – Advanced layers of aluminum foil & insulation separate each air chamber to trap warmth and slash weight, keeping you hot when it’s not. | High R-Value: 7‑Layer HeatLock Construction – Advanced layers of aluminum foil & insulation separate each air chamber to trap warmth and slash weight, keeping you hot when it’s not. |
| Capacity | 1 Person | 1 Person | 1 Person |
| Shell Material | TPU material: Free of PVC, BPA and phthalates | TPU material: Free of PVC, BPA and phthalates | TPU material: Free of PVC, BPA and phthalates |
| Valve | 2-in-1 Valve*1 | 2-in-1 Valve*1 | 2-in-1 Valve*1 |
| Material | 20D Nylon TPU | 20D Nylon TPU | 20D Nylon TPU |
| Internal Structure | Engineered for Extreme Cold: 13 precision layers—alternating aluminum foil, TPU coating, and fabric—create independent air cells that minimize heat loss while maximizing warmth-to-weight efficiency. | Engineered for Extreme Cold: 9 precision layers—alternating aluminum foil, TPU coating, and fabric—create independent air cells that minimize heat loss while maximizing warmth-to-weight efficiency. | Engineered for Extreme Cold: 7 precision layers—alternating aluminum foil, TPU coating, and fabric—create independent air cells that minimize heat loss while maximizing warmth-to-weight efficiency. |
| Baffles | YES | YES | YES |
| Sidewalls | NO | NO | NO |
| Outer Bag | 2-in-1 Stuff Sack & Pump Sack | 2-in-1 Stuff Sack & Pump Sack | 2-in-1 Stuff Sack & Pump Sack |
