ThermarestSaros 32F / 0C - Sleeping bag

When rain crashes the party and the thermometer looks gloomy, the Saros 32F / 0°C from Thermarest keeps you warm without the hassle of moisture. Lightweight and durable, it features eraLoft™ insulation, a smart synthetic insulator that dries quickly, resists the elements, and accompanies you from spring to autumn on the most unpredictable trails.

Its W.A.R.M. fit (Wide for Adjustable Roomy Movement) has been tested in a real cold chamber to offer comfort and thermal efficiency, no matter your sleeping position—on your back, side, or curled up like a hedgehog.

Add the SynergyLink™ connectors that anchor the sleeping bag to the mattress for more warmth and less slipping, and you have a true bivouac cocoon. Delivered with a compression sack and storage bag, ready to go wherever you want.

• eraLoft™ insulation: efficient and compressible, the water-resistant synthetic fill uses hollow fibers to reduce weight without sacrificing warmth.

• W.A.R.M. fit: W.A.R.M. comfort ("Wide for Adjustable Roomy Movement") means you can choose various natural sleeping positions while maintaining the sleeping bag's thermal efficiency.

• SynergyLink™ connectors: attach to the mattress for optimized thermal efficiency and comfort (removable for greater versatility).

• Zoned insulation: maximizes warmth and optimizes weight by precisely distributing the fill where it's most needed.

• Toe-asis™ foot warmer: ergonomic foot warmer section quickly warms chilly feet with a warm, welcoming cocoon.

• Quilt and blanket loops: adapt your sleep system to the conditions by adding our technical quilts or blankets to the sleeping bag for extra warmth.

• Additional features: draft collar to block heat loss, full-length zipper draft tube, snag-free zipper, hood with drawcord, and exterior zippered pocket.

• Compression sack and storage bag included.