Mountain Spring Mummy M1A Folding Closed Cell Foam Sleeping Pad R1.9 | Hexagonal Design Moisture-Proof Ultra-Lightweight Foam Sleeping Mat for Camping Hiking Backpacking

R-VALUE: 1.9

Put it inside your sleeping bag! It is the perfect size to fit into most sleeping bags! Greatest Warmth-to-Weight Ratio, always a favorite of the ultralight elite, light, durable, and versatile closed-cell foam mat in a rapidly-deployable folding form. Mountain Spring M1A can be used alone for alpinism and ultralight backpacking, or under an inflatable mat as puncture protection and added insulation.

• 【High-Quality Material】: Greatest Warmth-to-Weight Ratio, Mountain Spring M1A expands upon the ultra Moisture-Proof & ultralight performance with our 405g IXPE Foam + reflective Aluminium film coating to capture radiant heat and increase overall warmth to a total R-Value of 1.9 ASTM F3340-22 Rated.
• 【Economical Comfort】: Eco-friendly IXPE foams are softer for extra comfort, while the aluminum film coating on one side enhances heat retention. This makes M1A an ideal closed-cell foam pad for ultralight, highly compact, and super-reliable sleep systems.
• 【Portable Design】: Ultra-thin storage Packed size: 51x13x11.5cm±0.1cm. CAUTION PLEASE NOTE Thickness (from upper top convex part to lower concave bottom portion) Thickness: 1.8cm±0.1cm, Unfolded size: 182x51x1.8cm±0.1cm, Weight: 405g±10%. It also can fits perfectly inside most sleeping bags for added convenience.
• 【Innovative Design】: The M1A features a unique egg-crate ‎Mummy Hexagonal Design design to reduce weight while providing Greatest warmth-to-weight ratio. Its eco-friendly IXPE material is durable, easy to clean, and enhances both the pad’s appearance and its thermal and moisture resistance.
• 【Extra Durable】: The closed-cell foam is virtually indestructible, offering lasting, economical comfort. It’s durable, wear-resistant, puncture-resistant, and provides excellent support, making it a must-have for outdoor enthusiasts.
• 【Endless Utility】: The M1A can be used as a sleeping pad, sitting pad, or water float. It can be placed inside a sleeping bag or layered under another sleeping pad for puncture protection and added insulation, increasing the overall R-Value to 1.9.
• 【Lifetime Warranty】: Supported by a Canadian company with a lifetime guarantee. We stand behind the quality of our products and will repair, replace, or refund any item with confirmed defects.