A security blanket for big adventures, the Proton Blanket is Thermarest’s most technical and versatile blanket. Whether you use it as a fair-weather bivy blanket, or a deluxe campfire companion — the Proton will keep you charged for adventure knowing you'll be warm and protected with its waterproof, breathable shell. The blanket also features eraLoft synthetic insulation and reflective ThermaCapture Technology — designed to provide you with reliable warmth and comfort in a broad range of conditions.
Waterproof/breathable shell fabric sheds moisture for added protection and utility
Hollow microfiber polyester eraLoft insulation and reflective ThermaCapture coating inside maintain warmth and loft even when wet
Tapered, weight-reducing shape can pack away easily into its own pocket
Drawcord at bottom edge reduces drafts and cinches around your mattress to keep the blanket in place
Perimeter snap loops can connect with another Thermarest quilt, blanket, sheet or Mattress Snap Kit