Big Agnes Rapide SL Insulated Sleeping Pad — Wide Long 25x78, Ultralight R-Value 4.8, Quilted Comfort

The Big Agnes Rapide SL Wide Long is an ultralight, insulated inflatable sleeping pad that combines high R-value warmth, a cushioned quilted top, and quick inflation for comfortable three-season backpacking.

Lightweight yet durable, the Rapide SL Wide Long (25 x 78 inches) is designed for backpackers who want a roomier sleep surface without adding bulky weight. It blends reflective insulation layers and an offset I-beam airframe to deliver stable support and an R-value suitable for many cool-weather trips. Included accessories such as the pumphouse inflation sack, storage sack and repair kit make it easy to use and maintain in the field.

How warm is this pad for shoulder-season trips?

The Rapide SL series uses two heat-reflective film layers to boost thermal performance, producing R-values up to 4.8 depending on model and size. That level of insulation helps reduce heat loss to the ground and extends comfort into cooler nights without the bulk of heavy foam pads. For very cold ground, pairing with a closed-cell foam pad increases overall warmth.

• Reflective film layers for improved heat retention
• R-values up to 4.8 on selected sizes
• Compatible with Big Agnes closed-cell foam pads for extra insulation

How comfortable and stable will I feel sleeping on it?

The quilted top and proprietary offset I-beam construction create a pillowy surface that minimizes the typical air-mattress bounce. At 3.5 inches thick with larger 4.25-inch outer chambers, the pad cradles your body and reduces side-to-side roll. That makes it a good option for side sleepers or anyone who prefers a more plush sleep surface on the trail.

• Quilted top for a cushioned, non-slip sleep surface
• Offset I-beam design for even support and reduced bounce
• 3.5" overall thickness and larger outer chambers for stability

Will it stand up to backpacking wear and tear?

Built from double ripstop nylon laminated with aviation-grade TPU, the Rapide SL balances ultralight weight with abrasion resistance and strong welds. Each pad is individually inflated and inspected at the factory, and Big Agnes backs the product with a lifetime quality guarantee against manufacturing or material defects. A field repair kit helps you patch punctures quickly if they occur.

• Superlight double ripstop nylon shell with TPU lamination
• Individual factory inflation testing for quality assurance
• Includes storage sack and repair kit for field fixes

How easy is it to inflate, pack, and adjust firmness?

The pad features a high-volume valve with micro-adjustment for fast inflation and precise firmness control. Big Agnes includes the pumphouse high-volume inflation sack so you can inflate the pad quickly without introducing moisture from your breath. Deflation is equally fast, and the pad compresses down to a small packed size for efficient rucksack storage.

• High-volume valve with micro-adjustment for fine-tuned firmness
• Pumphouse inflation sack included for quick, dry inflation
• Compresses to a compact packed size for backpack convenience

Who this pad is for: The Rapide SL Wide Long is aimed at backpackers and overlanders who want a roomy 25 x 78-inch sleeping surface without sacrificing low weight or packability. Choose this pad if you sleep on your side, need higher R-value performance for shoulder seasons, or want the comfort of a quilted top and steady support for multi-night trips. If you expect extreme cold, consider combining it with a foam pad for extra insulation.