SIM Ultra 3.8 Packing Cubes Designed with durability and precision

Designed with durability and precision in mind

and moisture-wicking fabric for warmth and comfort

Fitted through hips and thighs with a straight leg

stretchy TPU that grips gear tightly and prevents slipping

SIM Ultra 3.8 Packing Cubes Designed with durability and precisionThe SIM Ultra 3. 8 is a lightweight self inflating sleeping mat designed to balance comfort, insulation, and packability. Strategically cored foam construction reduces weight and packed size without sacrificing support, while the recycled ripstop outer fabric delivers durability in a lightweight design. Self inflating foam insulation provides a flat, comfortable sleeping surface and reliable protection from cold ground, making this mat a practical and