product description

The Spark sleeping bag is the perfect option for lightweight adventures that puts comfort at the forefront. The optimal warmth to weight ratio and 850+ FILL Power makes this bag as comfortable as it is compact and easily packable. 

KEY FEATURES:  

Goose Down with Ultra Dry Down treatment for improved water resistance in damp conditions.

Featuring 10-Denier Nylon shell and lining fabric, these lightweight fabrics offer breathability, protection and effective temperature regulation for premium comfort in the outdoors.

10D Nylon's waterproof and breathable features offer added protection and prevents exposure to tent wall condensation.

The Mummy Fit maximises thermal efficiency and offers greater heat retention with a lightweight design for warmth, compactness and comfort in the outdoors.

INSULATION: 850+ FILL Power, RDS certified, Goose Down with Ultra Dry Down treatment for improved water resistance in damp conditions

FABRIC: 10-Denier Nylon shell and lining. 10-Denier Nylon waterproof-breathable hood and footbox.

FIT: Mummy Fit: Fitted cut with generous footbox and technical hood, to maximise thermal efficiency and minimise bulk and weight.

ZIP: Spark 7C/45F & 1C/30F Primary zip - 1/2 length #5 with zip-plow and two sliders. Spark -9C/15F & -18C/0F Primary zip - 3/4 length #5 with zip-plow and two sliders.

BAFFLE CONSTRUCTION: Vertical chest baffles, horizontal baffles lower half and base. SPARK 7C/45F sewn through quilted construction throughout. SPARK -1C/30F box wall baffles top half of bag and sewn through quilted construction lower half. SPARK -9C/15F & -18C/0F box wall baffle construction throughout.

COLLAR: Spark 7C/45F & -1C/30F & -9C/15F Standard front draft collar. SPARK -18C/0F Double draft collars

HOOD: Technical fitted hood with soft touch adjustment. Extra deep for cosy like feel.

DRAFT TUBE: Spark 7C/45F No draft tube. Spark -1C/30F & -9C/15F & -18C/0F -Single, down-filled, draft tube along the top of all zippers.

BAG INTEGRATION: Spark 7 & -1 can't be paired. Spark -9 & -18: Pairs with Women's Sea to Summit bags.

QUILT INTEGRATION: Pairs with STS quilts.

PILLOW INTEGRATION: N/A