This sleeping bag with built-in pillow helps relieve neck stress without worry about pillow slipping away. Engineered cell patterns are designed to contour to your body and provides a balanced surface for optimal back support and comfort. No more sore back or annoying discomfort from little rocks or leafs underneath. Crafted from TPU lamination, the sleeping pad is built to last long during everyday wear and tear. The special PU coating provides nice protection against water drops and damp. Larg