The Big Agnes Boundary Camp Pillow is an essential for keeping your neck and back happy during all your adventures in the Great Outdoors. Inflates quickly and easily after a long day on the trail. Delivers consistent firmness and stability all night long. No compromises. Low bulk, high durability, easy packing Soft stretch nylon Offset I-beam construction Low-profile single port 2-way valve for quick inflation/deflation Micro-adjust button controls level of firmness