The Big Agnes Rapide SL Insulated Sleeping Pad is an insulated sleeping pad for three-season backpacking. Superlight in the pack with an R-value of 4.8 to keep you toasty warm as you sleep. The air chambers combine with two layers of heat reflective film to keep you off the cold, hard ground and snoozing like a baby. The outdoors and hours of adventure take a toll on the body, this sleeping pad will help combat it with a comfortable night's rest.