The Mountain Equipment Helium 600 Down Sleeping Bag - Long is low in weight and pack size. This is a bag that's warm enough for early Spring and late Autumn use at higher altitudes or Northern latitudes.

Features:

• 100% recycled HELIUM 20D outer shell is very light and highly breathable with PFC free DWR
• 620g of 90-10 Pure Duck Down with a minimum fill power of 700
• Alpine Fit 2.0 improves comfort and maximises thermal efficiency
• Slanted box-wall baffles throughout
• Mid-level side seams
• 5 baffle anatomically shaped hood
• 4 baffle anatomically shaped and offset foot-box
• Full length Gemini zip baffle with 140cm zip and integrated neck collar with Lode Lock closure
• 100% recycled Supersoft 20D lining fabric with PFC free DWR
• Supplied with waterproof roll-top stuff-sack and storage cube
• Weight: 1030g / 36.3 oz (Regular), 1070g / 37.7oz (Long)
• Standard Pack Size: 25cm x 23cm x 20cm
• 100% Polyamide outer/inner, Down fill

Specification

• Comfort: -5°C/23°F
• Comfort Limit: -11°C/12°F
• Extreme: -31°C/-24°F