R-Value 3.1
From Amazon
Sea to Summit - UltraLight Insulated Air Sleeping Mat Large - Thermolite Air Mat - Tiny Pack Size - Pillow Lock System - 2.5 Season - Stuff Sack - For Ultralight Backpacking - Orange - 595g
The product is available from £117.08 at international stores.
Trekkinn
Sea To Summit Ultralight Insulated Mat Orange 198 x 64 cm
This product is also available at 3 unverified merchants.