





ATEPA Ultralight Sleeping Pad for Backpacking R-Value 5.0 GREY
Cold-Weather Certified. Ultralight Engineered. Sleep Anywhere.
The ATEPA CoreX 5 delivers serious winter-grade insulation in a featherlight package. With an R-Value of 5 and a weight of just 600g (1.32 lbs) , it's engineered for backpackers and adventurers who demand reliable warmth without the bulk. Rated down to -4°F (-20°C) , this pad keeps you comfortable on snow, frozen ground, and chilly alpine campsites—while packing smaller than a water bottle.
Key Features:
✅ R-VALUE 5 – TRUE 4-SEASON INSULATION
Certified to R-Value 5 with 7-layer thermal core technology. Heat-reflective films and multi-chamber construction trap warmth and block ground cold. Sleep warm in conditions from summer nights to deep winter.
✅ ULTRALIGHT AT JUST 600G (1.32 LBS)
One of the lightest high-R-value pads available. Shed pack weight without sacrificing warmth. Ideal for thru-hikers, alpine climbers, and ultralight purists.
✅ 3.54" THICKNESS – ROCK-PROOF COMFORT
9cm of loft fully elevates you from rough terrain. No more feeling roots or rocks. The horizontal tensioning system provides stable, body-mapped support that prevents sagging and keeps you comfortable all night.
✅ INTEGRATED PUMP SACK – NO LUNG POWER NEEDED
The included storage bag doubles as a dry inflation system. Just roll to inflate—no moisture inside, no lightheadedness. The dual-layer valve delivers one-way inflation and rapid deflate in seconds.
✅ COMPRESSES TO 9" X 4.3"
Rolls down smaller than a 1L bottle. Fits easily in any backpack.
✅ DURABLE & TRAIL-READY
20D Nylon TPU construction is puncture-resistant and waterproof. Complete repair kit included for quick field fixes.
- R-Value: 5
- Inflated Size: 71.6" L x 24.4" W x 3.54" H (182 x 62 x 9 cm)
- Packed Size: 9" x 4.3" x 4.3" (23 x 11 x 11 cm)
- Weight: 1.32 lbs (600g)
- Materials: 20D Nylon TPU + Multi-Layer Reflective Insulation
- Valve: 2-in-1 Dual-Layer
- Included: Pad, Pump Sack, Repair Kit, Compression Straps
Shipping:
- Free shipping for orders over $49
- Your order will be processed within 2 business days once payment is received.
- The transit time for your order will range from 2 to 7 business days after processing.
Warranty:
Atepaoutdoors is dedicated to providing reliable, high-quality outdoor gears with premium support.
- All items are eligible for a 30-day return or exchange without any specific reason. If the issue is attributed to the seller or the product itself, the seller will cover the shipping costs.
- All products purchased from Atepaoutdoors come with a limited warranty for a period of one year from the date of purchase.
- Any questions please contact our customer service team at [support@atepaoutdoors.com].


Ultimate Warmth
This insulated sleeping pad features a high 5.0 R-Value and a 7-layer thermal structure, blocking ground cold down to -20°C (-4°F). Perfect as an all season sleeping pad. No more shivering nights outdoors - just warm, restful sleep.

Ergonomic Support
Featuring I-Beam construction and 6 layers of aluminum insulation, this pad offers exceptional elasticity and support. Its 9cm (3.54") thickness shields you from rocky terrain, delivering a plush, stable sleeping surface that adapts to your body for superior comfort whether your're side, stomach or back sleepers.

Ultralight & Packable
Weighing just 630g (1.39 lbs), this ultralight sleeping pad is built for backpacking. It packs down to 23x11x11cm (9.05×4.33×4.33 in) —the size of a water bottle—saving pack weight without compromising insulation. Ideal for lightweight backpacking.
Featured Designs
A good sleeping pad is all you need for the camping trip to make you home.

Sound Sleep
Special treatments of the filling material and internal structure, ensure a quiet and peaceful sleep

Multi-Layer Warmth
5 R-value creates a reliable barrier against cold ground, offering all-season warmth wherever winter takes you

Comfortable & Thick
3.94 in thickness provides a
cushioned sleeping experience

Precise Specs:
- R-Value: 5.0
- Temperature Rating: Suitable for 3-Season + Winter (0°F / -18°C to -4°F / -20°C)
- Inflated Dimensions: 77.6” L x 25.6” W x 3.94” H (197 x 65 x 10 cm)
- Packed Dimensions: 10” L x 5” W x 5” H (26 x 12 x 12 cm)
- Weight (Pad Only): 1.48 lbs (670g)
- Total Kit Weight: 1.65 lbs (750g)
- Construction: 20D Nylon TPU, Multi-Layer Insulated Baffles
- Included: Sleeping Pad, Pump/Storage Bag, Repair Kit, Storage Strap
FAQ
Frequently Asked Questions and Useful Tips for Hikers/Backpackers/Campers
What is the R-value of this ATEPA sleeping pad, and is it suitable for winter camping?
This pad features an R-value of 5, which categorizes it as a highly capable winter sleeping pad. An R-value above 5.0 means the internal insulation is thick and reflective enough to block the cold ground from sapping your body heat, making it perfectly safe and comfortable for sub-freezing, 4-season environments.
Why should I choose an insulated sleeping pad over a standard air mat for backpacking?
A standard air mat only provides cushioning, while an insulated sleeping pad prevents convective heat loss. Even in summer, the ground is colder than your body. Our pad utilizes advanced synthetic insulation and reflective layers to trap warmth, making it the most versatile backpacking sleeping pad for shifting mountain microclimates.
How do I inflate the ATEPA ultralight sleeping pad in the backcountry without getting dizzy?
Every ATEPA ultralight inflatable sleeping pad includes a lightweight pump sack. Simply attach the sack to the one-way valve, capture ambient air, and roll it down to force air into the pad. This takes about 1-2 minutes, saves your lungs at high altitudes, and prevents moisture from your breath from accumulating and freezing inside the pad.

