The REI Men's Co-Op Air Rail Plus Insulated Sleeping Pad is a high-quality air pad designed for camping and outdoor activities. Featuring synthetic insulation and a durable polyester shell, this sleeping pad provides warmth and comfort during cold nights under the stars. With a regular shape of 72x25x1.5 inches, it offers a comfortable sleeping space for a single person. Perfect for both men and women, this insulated sleeping pad is a reliable choice for any camping trip.