Thermarest Saros 20 Synthetic Sleeping Bag Regular Blue

To keep the Saros efficient, we built in ThermaCapture^™ Seams to boost the bag's warmth without adding extra bulk. Our SynergyLink^™ Connectors also integrate the Saros with your mattress to ensure superior comfort with efficient warmth and the freedom to move as you like for the best night's rest possible. The Saros is offered in three sizes and designed to fit both men and women. Stuff sack and storage sack included.

Features

SynergyLink™ Connectors

Integrate the bag with a mattress for optimal comfort and efficiency; removable for versatility. These straps integrate your mattress and sleeping bag to minimize heat loss and keep you secure through the night.

ThermaCapture^™

Our proprietary reflective coating radiates heat back to your body and prevents heat loss, saving you energy for tomorrow's adventure. Trap radiant body heat and retain warmth without adding bulk or weight.

Zoned Insulation

Intentionally placed eraLoft^™ synthetic insulation puts fill exactly where you need it, maximizing thermal properties while reducing weight.

Toe-asis™ Foot Warmer

A baffled pocket of insulation helps rapidly warm cold feet inside our ergonomic footbox.

Quilt & Blanket Loops

Most of our bags are equipped with quilt and blanket loops, allowing you to securely attach extra insulation to customize your sleep system. 

Additional features: Heat-trapping draft collar, full-length zipper draft tube, snag-free zipper, cinchable hood and external zip pocket.