Description
The Klymit Klymaloft Peak Insulated Sleeping Pad (Extra Large)fromNomadic Supply Company® features an innovative foam and air design to deliver premium sleep comfort. A plush foam topper conforms to support the body and eliminate pressure points while the underlying I-beam air chambers create loft and stabilize the sleeping pad. The air and foam combination strikes the perfect balance between comfort, pack size, and weight.
Klymit Klymaloft Peak Insulated Sleeping Pad (Extra Large) Features:
- Insulated for four-season comfort
- Luxurious, plush foam topper conforms to support the body and eliminate pressure points
- Stretch polyester fabric is soft and quiet
- I-beam air chambers create loft and stabilize the sleeping pad
- Air and foam combination strikes the perfect balance between comfort, pack size, and weight
- Inflation is fast and easy with included pump stuff sack
Foam-Air HybridPlush foam meets adaptive air chambers in a seamless design that offers both softness and stability. This innovative combination ensures you stay comfortable, insulated, and well-supported wherever you rest.I-Beam StabilityEngineered for consistent support, the I-beam air chambers provide a steady surface that adapts to your sleeping position. No sagging, no shifting—just reliable comfort all night long.Quick InflationSay goodbye to tedious setups. The twist-pull valve allows you to inflate the Insulated Klymaloft™ in just a few breaths, making it fast and easy to get your sleeping pad ready. When it’s time to pack up, deflation is just as simple and efficient.
Klymit Klymaloft Peak Insulated Sleeping Pad (Extra Large) FAQs:
What is an R-Value, and why does it matter for sleeping pads?The R-Value measures a sleeping pad’s insulation ability, specifically how well it resists heat loss to the ground. A higher R-Value means better warmth and comfort, making it essential for cold-weather camping.What does the ASTM standard mean for sleeping pad R-Values?ASTM F3340-18 is the industry-standard test used to measure a pad’s R-Value. It ensures consistent, reliable results across brands, helping you compare pads and choose the right one for your needs. While not all Klymit sleeping pads have been tested to this standard yet, we are actively working through the process to provide ASTM-rated R-Values across our lineup.How does the ASTM standard apply to Klymit pads?While ASTM testing provides a standardized way to compare sleeping pad insulation, it does not always account for the unique design of Klymit pads. Many Klymit sleeping pads feature deep V-chamber welds, which are specifically engineered to trap and insulate air pockets beneath your sleeping bag. This design enhances warmth by reducing convective heat loss and working in tandem with your sleep system, often outperforming its ASTM-rated R-Value in real-world conditions. As a result, traditional R-Value testing may not fully reflect the insulation benefits experienced when using Klymit pads in the field.Understanding Klymit Historical R-ValuesKlymit has always prioritized real-world performance when designing sleeping pads, ensuring that all our pads provide four-season usability. Historically, we have used our own rigorous in-house testing methods to determine R-Values, reflecting how our unique V-chamber and Body Mapping™ designs work in tandem with a sleeping bag to maximize warmth.With the adoption of the ASTM F3340-18 standard, we now display two R-Values on certain pads—our original Klymit R-Value and the ASTM-rated R-Value—where applicable. This helps provide additional transparency while recognizing that ASTM testing does not always fully capture the insulation benefits of our pad designs. Some pads may only display a single ASTM R-Value as we work through the testing process, but rest assured, every Klymit pad is engineered for year-round performance in all conditions.By considering both values, you can make an informed decision about the best pad for your adventures, knowing that Klymit sleeping pads are built to keep you comfortable in any season.What R-Value do I need for different camping conditions?R-Value 1–2: Ideal for summer camping.R-Value 2–4: Great for spring and fall temperatures.R-Value 4.5+: Necessary for winter camping and cold weather.How do I clean my sleeping pad?To clean your sleeping pad, wipe it down with a mild soap and warm water using a soft cloth or sponge. Avoid submerging it in water or using harsh chemicals. Let it air dry completely before storing.How should I store my sleeping pad when not in use?Store your sleeping pad unrolled and partially inflated in a cool, dry place. Keeping it flat or loosely folded helps maintain the pad’s shape and prolong its lifespan.What should I do if my sleeping pad gets a puncture?If your sleeping pad gets a puncture, use our repair kit to patch the hole. Clean and dry the area, then apply the adhesive patch provided in the kit. Allow it to cure fully before reinflating.Which sleeping pad is best for summer camping?For summer camping, choose a sleeping pad with an R-Value between 1 and 2. These pads provide lightweight comfort without excessive insulation, keeping you cool during warmer nights.What type of sleeping pad do I need for colder weather?For spring and fall conditions, an R-Value between 2 and 4 works well. For winter camping or cold weather, look for an R-Value of 4.5 or higher to stay insulated and warm.Can I use the same sleeping pad year-round?Yes, a sleeping pad with a higher R-Value (4.5+) can work year-round. It provides insulation for cold seasons but can still be comfortable in warmer weather by managing heat loss effectively.
Klymit Klymaloft Peak Insulated Sleeping Pad (Extra Large) Specifications:
| Inflated Dimensions | 78 x 29 x 5 in / 198 x 74 x 13 cm |
| Pad Weight | 4.2 lb / 1.9 kg |
| Fabric | 75D Polyester + Soft Stretch Top |
| Historical R-Value | 7.3 R-Value |
| ASTM R-Value | 7 |
| Insulation | Yes |
| Pack Size | 15 x 8 in / 38 x 20 cm |
| Storage | Stuff Sack |
| Additional Features |
|
Klymit Klymaloft Base / Summit / Peak Sleeping Pad Comparisons:
Camping doesn’t have to mean sacrificing comfort. Whether you’re setting up at a scenic campground, building a basecamp for a multi-day adventure, or simply enjoying weekends outside, quality sleep helps you experience more and recover faster.The Klymaloft series is designed to deliver bed-like comfort outdoors through an innovative air-and-foam hybrid construction, all while maintaining packability and durability for real camping environments.With the introduction of Base, Summit, and Peak tiers, campers can now choose the level of comfort and insulation that fits their adventure style.
KLYMIT KLYMALOFT BASE
The Foundation of Comfortable CampingThe all-new Klymit Klymaloft Base Sleeping Pad is designed to welcome campers into elevated outdoor comfort. With a 3.5-inch height and integrated baffle inlays, it delivers stable, supportive sleep that feels far removed from traditional air pads.Klymit’s patented Flip Valve allows for fast, simple inflation and deflation, while an ASTM R-Value of 2.0 provides dependable comfort for warm-weather camping.The Klymit Klymaloft Base Sleeping Pad is ideal for campers looking to upgrade their sleep system without adding unnecessary complexity.Best for:
- New campers
- Warm-weather camping
- Weekend getaways
KLYMITKLYMALOFT SUMMIT
Where Camp Comfort Reaches New HeightsTheKlymit Klymaloft Summit Sleeping Pad introduces a premium comfort upgrade with an integrated plush foam topper layered over supportive air chambers. The result is a sleep surface that combines softness with stability for pressure-relieving comfort throughout the night. Featuring I-Beam construction, stretch polyester fabric, and an ASTM R-Value of 2.4, the Klymit Klymaloft Summit series delivers versatile comfort across multiple seasons. With Regular, XL, and Double size options, it’s built to support solo campers and shared sleeping setups alike.Best for:
- Car campers prioritizing comfort
- Couples or family camping
- Multi-season camping trips
KLYMITINSULATED KLYMALOFT PEAK
The Pinnacle of Outdoor Sleep Luxury
When warmth and comfort are non-negotiable, the Klymit Klymaloft Peak Insulated Sleeping Pad delivers Klymit’s highest level of outdoor sleep performance.With an industry-leading ASTM R-Value of 7.0, oversized XL dimensions, premium insulation, and an ultra-plush soft topper, the Klymit Klymaloft Peak Insulated Sleeping Pad (X-Large) provides four-season comfort that rivals sleeping at home. For campers building the ultimate basecamp sleep system, the Klymit Klymaloft Peak Insulated Sleeping Pad (X-Large) represents the highest elevation of comfort.Best for:
- Cold-weather camping
- Extended basecamp setups
- Campers seeking maximum comfort


![Blue Sea 7542 C-Series Flat Rocker Circuit Breaker – Single Pole – 15A [7542]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-7542-c-series-flat-rocker-circuit-breaker-single-pole-15a-7542.webp)


![Blue Sea 7605 BatteryLink Charger – 10Amp – 2-Bank[7605]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-7605-batterylink-charger-10amp-2-bank-7605.webp)
![Jabsco Mag Drive Centrifugal Pump – 14GPM – 110V AC[436979]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/jabsco-mag-drive-centrifugal-pump-14gpm-110v-ac-436979.webp)

![Ancor 24-22 Gauge Heat Shrink Step-Down Multi-Wire Connectors – 25-Pack[320025]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ancor-24-22-gauge-heat-shrink-step-down-multi-wire-connectors-25-pack-320025.webp)
![SmartPlug 50 Amp 50 Dual Configuration Cordset w/Marina Park Power End [C50504]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/smartplug-50-amp-50-dual-configuration-cordset-w-marina-park-power-end-c50504.webp)