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🌄 Elevate your outdoor sleep game — comfort and warmth that won’t quit!
The Sea to Summit Camp Si Mat is a self-inflating sleeping mat designed for backpackers and campers seeking a durable, warm, and comfortable sleep solution. Featuring a 4.2 R-Value for insulation, 1.5-inch thick foam for plush support, and innovative Delta Core-V technology to optimize warmth and packability, it includes a multi-function valve for easy inflation and deflation plus a PillowLock system to secure your pillow. Lightweight and rugged, it’s a top choice for those who want reliable comfort without the bulk.











| Brand | Sea to Summit |
| Colour | Green |
| Material | Polyester |
| Product Dimensions | 183L x 51W x 3.8Th Centimeters |
| Size | Regular |
| Special Feature | Delta Core-V technology, Inflatable, Multi-function valve |
V**S
ages to inflate
overall a good mat, comfy, warm and after few camping trips still holds on. But thing I really dislike is that it takes very long time to inflate, even when left for 30 min in a tent still flat. I had to do at least 3 full breaths to make it full. when I unpack it at home, only next day it seems to be full. I always stored it according to instructions. my cheaper berghaus mat inflates in seconds BTW.
F**✰
Quality product
Great quality mattress - light to carry; very practical vavle design; great self inflation. It's very easy to use and quite comfortable to sleep on. Highly recommended!
B**B
Good quality for the price
Perfect balance between cost and weight. Sea to Summit brand provides a level of quality assurance, and end of season discount made it a no brainer.
M**O
Muito bom
Excelente
ま**り
コスパ最良
コスパの良いマットです。 バックパックキャンプで何度か使用しました。 冬場の使用はまだしていませんが、R値4とのことで期待しています。 自動膨張ですが、張りが足りないので電動のポンプを使って膨らませると良いです。 呼気で膨らませる場合中のフォームがカビたりするので非推奨です。 パッキングの際は丸めると嵩張るので バルブを裏返して空気排出にし、縦を半分にしたら四つ折りくらいにしてバックパックの背中側に入れると省スペースになります。
Trustpilot
2 days ago
1 month ago