Big Agnes Crystal 30 Degree (2008) Sleeping Bag

Product Highlights

Updated for 2008! With a unique combination of synthetic fill and goose down fill, the Big Agnes Crystal 30 Degree provides maximum warmth and performance even in damp conditions. The Crystal 30 Degree is designed for backpacking and camping in moderate temperatures and warm climates.

The Crystal 30 Degree is insulated with both 650 fill goose down and Primaloft Eco synthetic fill, a bonded polyester made from 50% recycled materials. This Dualmax System takes full advantage of the compressible and thermal-efficient properties of down while an outer layer of synthetic fill enwraps the down, ensuring that performance remains consistent even in wet conditions. In addition, the Crystal 30 Degree's nylon microfiber rip-stop shell fabric has a surface treatment that helps to repel water.

In a traditional sleeping system, the bag lies on top of a sleeping pad. In this configuration, many people find themselves rolling off the pad at night. Plus, the insulation on the bottom of the bag is compressed by the sleeper's weight. Once compressed, the fill loses most of its insulating properties. The Big Agnes Sleep System is different, joining the bag and pad together. The pad slides into a sleeve on the bottom side of the bag, supplying insulation to the bottom of the bag while the top 2/3 of the bag is insulated like a traditional sleeping bag. This design provides a secure foundation so you can roll, twist and turn freely during the night without ever rolling off your pad. It also prevents the bag from twisting and engulfing you in an uncomfortable mess. Big Agnes uses this system throughout their entire line of sleeping bags.

The Crystal 30 Degree is available in Reg (fits up to 5'10") and Long (fits up to 6'6") lengths. Once you match your bag with a rectangular sleeping pad of the appropriate dimensions (20" x 72" for Reg and 20" x 78" for Long), spending a night in the Crystal 30 Degree is both warm and comfortable.

A number of performance features equip the Crystal 30 Degree for efficient insulation. A contoured, insulated hood keeps your head warm and a no-draft collar keeps cold air from creeping in the top of the bag and reaching the interior of the Crystal 30 Degree. A full-length draft tube sewn behind the zipper further ensures that cold air remains outside of the bag. A no-draft wedge protects the connection between the bag and the pad, so that cold air doesn't sneak in between the two. A built-in pillow pocket holds clothes or a Big Agnes Air Core Pillow (sold separately), providing a comfortable resting place for your head and neck.

For your convenience, the Big Agnes Crystal 30 Degree is available in your choice of Right and Left zippers. A nylon stuff sack and cotton storage sack are included with each Crystal 30 Degree.