Dual Core sleeping pads are designed to provide years of comfortable nights in the backcountry. The air chamber pads have gained a huge following due to their light weight and small packed size. Big Agnes Dual Core pads – winner of the Editor's Choice Award from Camping Life in 2006 – take the best features of the popular Insulated Air Core and add open cell foam in the bottom half to create a 4 season air chamber pad. Features: Double insulated air chamber pad. 2.5" thickness offers more comfortable and compact alternative to self-inflating pads PrimaLoft Eco synthetic insulation made from 50% recycled materials layered with high density foam to make our warmest air chamber pad I-beam construction eliminates welded seams to reduce cold spots and ensures quick inflation/deflation, consistent air flow and stability Durable 70D hexagonal rip-stop nylon top and 70D nylon bottom Internal polyurethane coating Non-breakable brass valve with plastic coated EZ-FlateTM mouthpiece Add a closed cell foam pad in colder temperatures for extra insulation Store unrolled with valve open Stuff sack and repair kit included. The repair kit is in a small pocket on the inside of the stuff sack. It's sort of hidden, so look twice! Each pad individually inflated and tested EZ-FlateTM Valve instructions: Twist black part of valve ounter-clockwise to open. Blow into valve to inflate. Hold gray portion of valve in mouth while spinning black portion clockwise to close. Specs: Temp Rating: 0 degrees F Rectangle 20" x 66" x 2.5": 34 oz Rectangle 20" x 72" x 2.5": 38 oz Rectangle 20" x 78" x 2.5": 41 oz Rectangle 25" x 78" x 2.5": 49 oz Mummy 20" x 72" x 2.5": 31 oz Mummy 20" x 78" x 2.5": 33 oz