PEAK SERIES

The Static V Peak is a pure air pad optimized for weight and packability — ideal for backpacking. It weighs 22 oz, packs to 7.5" x 5.5", and delivers R-Value 4.2 with Klymalite insulation and reflective film layers. The Insulated Klymaloft Peak XL is a foam-air hybrid with a plush foam topper, a larger 78" x 29" footprint, and the highest R-Value of any Klymit pad at 7.0. Choose the Static V Peak for travel; choose the Insulated Klymaloft Peak XL for base camp comfort.

Peak pads use a dual-layer insulation system that goes beyond what Summit offers. Klymalite synthetic insulation fills each air chamber, providing loft-based warmth, while multiple reflective film layers actively bounce radiant heat back toward your body and block cold from rising through the pad from below. This combination means Peak pads don't just slow heat loss, they actively work to keep you warmer, which makes a measurable difference once temperatures drop below freezing.

Both the Insulated Static V Peak and the Insulated Static V Peak XL carry the same R-Value of 4.2. The difference between them is size and weight, not thermal performance. The standard Peak measures 72" x 23" and weighs 22 oz; the Peak XL measures 78" x 30" and weighs 36 oz. If you're a taller sleeper or simply want more surface area, the XL is worth the additional weight without any sacrifice in warmth rating.

Yes, the Insulated Static V Peak and Peak XL both feature dynamic side rails. These slightly raised edges along the length of the pad create a gentle cradle effect that keeps your body naturally centered while you sleep. This is especially useful for side sleepers and restless sleepers who tend to drift off the pad during the night. The rails also add a small amount of extra loft along the sides of your body, reducing cold spots at the edges.

The Insulated Static V Peak inflates in 15 to 20 breaths using the Klymit Flip Valve. Open the Flip Valve, inflate to your preferred firmness, then snap the cap closed to seal. For optimal cold-weather performance, avoid over-inflating. A medium firmness allows the V-chambers to conform to your body's contours, reducing air gaps that can become cold spots. To pack up, flip the valve fully open, fold lengthwise, and roll firmly from the foot end toward the valve.

The Insulated Klymaloft Peak XL uses a pump or stuff sack inflator and fills quickly in just a few strokes. Its twist-pull valve design makes inflation and deflation fast, significantly faster than traditional self-inflating foam pads. Klymit's Tempest Rechargeable USB Pump is compatible with Flip Valve models, making base camp setup almost effortless. Check your specific valve type before using a pump, as the Static V Base uses a Twist Valve that requires mouth inflation.

A few practices maximize Peak's insulation in demanding conditions: clear any snow or ice from the tent floor before laying the pad down, inflate to medium rather than maximum firmness so chambers can flex and conform, and use a sleeping bag rated at least 10–15°F colder than the expected overnight low. Avoid compressing the pad under heavy gear while sleeping — the insulation performs best when chambers are allowed to fully loft. Pairing with a Klymit sleeping bag creates the most complete cold-weather sleep system.

Some minor air loss in cold conditions is normal. Air contracts as temperatures drop, which can make the pad feel slightly softer by morning. Simply add a few breaths before settling in for the night. If you're experiencing significant air loss, submerge the inflated pad in a bathtub or brush soapy water over the surface to locate the leak. Small punctures can be repaired with a standard TPU patch kit.

Store your Peak pad loosely inflated or laid flat in a cool, dry location. Never leave it compressed in its stuff sack for extended periods — prolonged compression can stress the seams and degrade the insulation fill over time. For the Insulated Klymaloft Peak XL, allow the foam topper to fully decompress between uses. Before every trip, run a quick inflation test at home so you're not diagnosing a slow leak at the trailhead. A few minutes of pre-trip prep protects a serious gear investment.