Sea To Summit Trek TK I Sleeping Bag

European seller Original product Fast delivery Traditional comfort and value, and a less-than-traditional approach to design, our Trek™ Series sleeping bags are what we take when we travel the world on a budget.. Vertical baffles above the chest area prevent the down insulation from shifting or the bag from sliding outward during sleep, creating cold zones. The side block baffle design maintains a 60/40 fill ratio, keeping most of the bag down for maximum insulation. - Lightweight fabrics reduce weight and bulk while the full length #5 YKK two-way side zipper and separate leg zipper allow the bag to be fully opened and transformed into a blanket. The leg zipper is ideal for extra ventilation or to allow freedom of leg movement. - A 3D baffle on the side wall ensures the down can rise all the way to the edge of the bag for maximum insulation, while the panelled hood is drawcordable. tightly when needed or lays flat for warm weather use. The large zipper pull tube uses materials to prevent zipper snagging, and the soft-touch 20D fabric lining is breathable but keeps down out. - In addition to the thoughtful design features of this classic down bag, we've added a down bag. Large internal security pocket, ideal for keeping valuables or batteries warm. Peculiarities: - The tapered rectangular shape provides more space and comfort than a traditional mummy bag. - RDS 650+ Loft ULTRA-DRY Down™ offers superior insulation and compressibility - Lightweight fabrics to reduce weight and bulk - Vertical partitions on the chest prevent downward migration and the appearance of cold zones - Two-way YKK #5 side zipper and separate leg zipper allow the bag to be used as a blanket and provides additional ventilation options - Extended zip pull tube with snag-resistant material - Large internal security pocket - 3D sidewall divider provides maximum insulation all the way to the edge of the bag - 3D hood fits snugly when needed - The Trek Tk3 has an extra hood on the neck collar that traps and retains all your heat - Soft-touch 20D fabric lining is lightweight and breathable, durable 30D nylon shell - Includes Ultra-Sil™ Compression Sack for compact storage - zipper: This bag is designed to fit many Sea to Summit women's sleeping bags Specifications: - Type of insulation: Fluff - Fluff: RDS 90 /10 Premium down - Textile: 30D nylon shell - Filler: ULTRA-DRY Down® 650+ Loft - Weight of filler: normal: 350 g, long: 400 g - The form: conical rectangle - Nominal temperature: EN 5°C Comfort up to -1°C Below - The weight: Usual: 760 g, Long: 850 g Technology: Loft: - Loft is the volume for a given weight of down.. It is used to describe the quality of down, which is directly related to the insulating properties.. High loft down is warmer for a given weight than low loft down. A higher downstroke will fill a larger volume of space for a given weight.. As a result, less weight of down is required to fill each baffle in the sleeping bag.. This means a lighter sleeping bag.. The most common measure of loft is called Fill Power.. 850 Fill Power means one ounce of this down will rise and fill a volume of 850 in3. 650+ Loft Premium Down: - In the Sea to Summit Trek line, 650+Fill Power Premium duck down is a high performer. Quality insulation that sets the standard for sleeping bags in this class.