The superlight Big Agnes Air Core SL sleeping pad is a half inch thicker and several ounces lighter than the standard Air Core pad, keeping your pack light and offering great comfort for sound sleep. PAD THICKNESS (IN.). Long: 3.75 inches. Regular: 3.75 inches. WEIGHT. Long: 1 lb. 2 oz. Regular: 1 lb. 1 oz.

• 3.75 in. thick pad is waterproof and lightweight, and packs down to the size of a Nalgene water bottle
• I-Beam construction eliminates welded seams to reduce cold spots and ensure quick inflation and deflation
• Internal heat-reflective polyurethane coating helps limit radiant heat loss
• Lightweight nylon ripstop fabric on the top and bottom stands up to regular use in the outdoors
• R-Value of 1; comfort range to 35°F
• The Big Agnes Air Core SL sleeping pad includes a stuff sack and repair kit