We discovered a way to make the quilted comfort of our beloved Q Core even more compact and superlight with the insulated Q Core SL. This superlight and super compact air pad comes in various widths and lengths as well as rectangular and mummy shapes. This is our lightest and most comfortable air pad available, utilizing the same technology as the Q Core with Alternating I beam Construction and X Static synthetic insulation. a Superlight version of the Insulated Q Core pads a Light and compact three season pads at 3.59cm thick for extra comfort a Estimated R Value of 4.5 a X Static synthetic insulation with the natural performance of silver filament to enhance thermodynamic, anti microbial and anti odor properties a Alternating I Beam construction creates a smoother, more comfortable feel a Durable, light weight nylon rip stop top and bottom a Internal polyurethane coating a Add a closed cell foam pad in colder temperatures for extra insulation a Durable inflation valve a Store unrolled with valve open Includes stuff sack and repair kit. The repair kit is in a small pocket on the inside end of the stuff sack. Its sort of hidden, so look twice. Larger outsider air chambers keep you cradeled in the middle of the pad.