DESCRIPTION The award-winning Nitestar Alpha 250 has our Alpha insulation, combining excellent warmth properties with much-improved compressibility, it is smaller and lighter than ever before. DIMENSION Suggested min usage: -2° Extreme: -21° Limit: -4° Weight: 1.65kg Tog: 10.0 Max user height: 190cm Comfort: 2° Suggested max usage: 20° Internal Length: 205cm Packsize: 29.0 x ø20.0cm Performance: 3 Season Internal foot width: 48cm Internal chest width: 83cm External chest width: 85cm Product Segment: Active Fill type: Insulite Alpha Zip side: Left Shape: Mummy ADDITIONAL INFORMATION Alpha Insulation - Lightweight and extra warm, Alpha has a great loft while compressing to a small pack size Off-Set Double Layer Construction - Off-set seams prevent cold spots at the stitching lines Horizontal Stitching - Evenly spaced to hold insulation in place and ensure even distribution throughout Insulated Adjustable Shoulder Baffle - Retains heat within the sleeping bag Zip Guard with Anti-Catch Piping - Helps to prevent the zip from snagging on the lining, allowing easy opening and closing Insulated Zip Baffle - Retains heat within the sleeping bag and reduces cold spots Woven Zip Puller - Allows you to quickly and easily move the zip Internal Pocket - Provides convenient storage for small items Hanging Loops - Allows you to easily hang your bag for quick and easy drying Temperature Ratings Independently Measured - In accordance with EN 23537:2016. Extensively tested to meet accurate temperature rating standards for peace of mind