Therm-a-Rest Proton Blanket. A security blanket for high adventure, the Proton™ Blanket is Therm-a-Rest's most technical and versatile blanket offering the latitude to go from an adventurous, fair-weather bivy blanket, to a deluxe campfire companion. The Proton will keep you charged for adventure knowing you'll be warm and protected with its waterproof, breathable shell, eraLoft™ synthetic insulation designed to provide you with reliable warmth and comfort in a broad range of conditions.
Features
All-Condition Protection: Waterproof/breathable shell fabric sheds moisture for added protection and utility (1000mm Hydrostatic Head / 5000 Moisture Vapor Transfer Rate).
Reliable Insulation: Hollow microfiber polyester eraLoft™ insulation inside maintain warmth and loft even when wet
Packable: Tapered, weight-reducing shape; packs into its own pocket.
Added Comfort: Drawcord at bottom edge reduces drafts and cinches around a mattress to keep the blanket in place.
Versatile: Perimeter snap loops mate with another Therm-a-Rest quilt, blanket, sheet or Mattress Snap Kit.