The Spero’s trim, performance shape and shingle-style construction offer maximum warmth in a minimal package for extended time on the trail. In Regular, Long and Women's. Women's model has unique dimensions and insulation levels tailored for optimal women's fit and performance requirements.
Features: • Women-specific design • Shingle-style construction provides the perfect balance of comfort and performance • Comfortable, warm-to-touch peached polyester lining fabric • Locking, 2-way zipper allows adjustments for ventilation • Full-length, insulated zipper draft tube with anti-snag guard defends against cold air intrusion • Mates with regular length (right side zipper) mummy style sleeping bags • Anatomic hood design • Insulated hood and chin baffles seal in warmth • Internal pocket • Compression stuff sack • Eureka! Synthesis technical insulation is Eureka’s lightest, most-compressible, and resilient insulation. The proprietary blend of synthetic fibers is engineered to optimize thermal performance in an ultra-soft, easy to pack, and durable sleeping bag fit for any adventure • Shape Mummy • Temperature Rating 20 °F / -7 °C • EN Limit (Rating For Men) 9 °F / -13 °C • EN Comfort (Rating For Women) 22 °F / -6 °C • Minimum Weight 3 lbs 13 oz • Insulation Synthetic • Insulation Type Eureka! Synthesis • Insulation Weight 2 lbs 13 oz • Stuff Sack Size 9.5 in x 19 in • Construction Shingled