The NEMO Eclipse All-Season Regular Sleeping Pad delivers uncompromising comfort for backpackers who refuse to sacrifice sleep quality on the trail. At 4 inches thick, this premium sleeping pad cradles your body with plush, air-supported cushioning that keeps side sleepers happy and eliminates pressure points on rocky terrain. The impressive R6.2 insulation rating powered by dual-layer Thermal Mirror™ technology makes this a true four-season workhorse, keeping you warm through frigid winter nights while remaining whisper-quiet for peaceful sleep. The innovative Spaceframe™ baffle construction provides rock-solid stability without the bouncy feel of traditional air pads, while the micro-adjustable Laylow™ valve lets you dial in your perfect firmness with precision. Whether you're tackling a summer multi-day hike or a winter mountaineering expedition, this all-season sleeping pad proves that comfort and performance don't have to be mutually exclusive in your backpacking sleep system. Features Spaceframe™ baffle technology eliminates springiness while providing superior stability Dual-layer Thermal Mirror™ insulation delivers quiet warmth for all-season use Subtly contoured sleep surface cradles body for centered positioning Laylow™ zero-profile valve allows micro-adjustments without protrusion Included Vortex™ pump sack prevents moisture buildup and saves breath at elevation Low-stretch die-cut trusses optimize weight distribution across surface Adventure Forever Guarantee™ provides lifetime product support Specification Value Size Regular Weight 539g (1 lb 3 oz) Packed Dimensions 10.0 × 4.5 in | 25.4 × 11.4 cm Thickness 4.0 in | 10.2 cm R-Value 6.2 Shape Rectangular Materials Spaceframe™ baffle technology with low-stretch die-cut trusses | Dual-layer Thermal Mirror™ metallized film insulation | Aluminized film construction