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Silk Blend Mummy Sleeping Bag Liner Silk Blend Mummy Sleeping Bag Liner Silk Blend Mummy Sleeping Bag Liner
Silk Blend Mummy Sleeping Bag Liner
Offers a softer, more luxurious finish; suitable for a variety of temperatures
Lightweight Recycled Antimicrobial

No scale data available.

Foot width
33cm
Shoulder width
80cm
Average weight
140g
Length
206cm
Material
72% Thermolite® Pro yarn/Thermolite® EcoMade yarn, 28% natural silk
Rolled size
12 x 6.5 x 10cm

Our experts haven't reviewed this product yet.

  • A liner is the climate core of your sleep system - the Silk Blend liners add warmth and a touch of luxury to your sleeping bag
  • Soft, natural fibres, with a less shiny finish than pure silk
  • Hollow-core ThermoLite® Pro fibres create a warmth-trapping layer around you, enhanced by infra red absorbing ceramic pigments and combines with silk to create a soft, luxurious sleep environment
  • Practical openings in the shoulders to aid with ventilation and to allow you user to stretch your arms out of the liner
  • HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
  • Keeps sleeping bag clean on the inside
  • Comes with an Ultra-sil stuff sack
Spark Ultralight -1 Women's Down Sleeping Bag Spark Ultralight -1 Women's Down Sleeping Bag Spark Ultralight -1 Women's Down Sleeping Bag
Spark Ultralight -1 Women's Down Sleeping Bag
Lightweight down female-specific mummy-shaped bag
Down Filled Water Resistant Lightweight
Packability
Ultra Compact
Compact
Mid Size
Warmth
Summer
Multi-season
Alpine
Weight
Ultralight
Lightweight
Midweight
Foot width
46cm (Regular), 51cm (Long)
Shoulder width
71cm (Regular), 76cm (Long)
Average weight
584g (Regular), 639g (Long)
Compression
5 Litres (Regular), 8 Litres (Long)
Fill weight
375g (Regular), 430g (Long)
Fill
ULTRA-DRY Goose Down 850+ Loft, RDS certified
Fits to
170cm (Regular), 185cm (Long)
Inner
10D nylon with a non-PFC DWR finish
Outer
10D nylon
Temp rating
minus 1°C comfort rating woman / minus 7°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022

Our experts haven't reviewed this product yet.

  • Women's Mummy Fit: Fitted cut with generous anatomical footbox and technical hood, to maximise thermal efficiency and minimise bulk and weight. Wider at the hips and narrower at the shoulders for a better fit and heat retention for women.
  • bluesign®-approved 10D nylon shell and lining fabric offers breathability, protection and effective temperature regulation for premium comfort in the outdoors; PFC-free DWR (durable water repellent) treatment keeps the hood and footbox highly water resistant
  • 850+ Fill Power, RDS-certified, Goose Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
  • Half-length #5 zip with anti-snag zip plow and two sliders
  • Vertical chest baffles, horizontal baffles in the lower half and base, box wall baffles in the top half and sewn-through quilted construction lower half
  • Technical fitted hood with soft touch adjustment, extra deep for cosy-like feel
  • Standard front draft collar
  • Single, down-filled, draft tube along the top of all zips
  • QuiltLock System and drawcord footbox enables quilts to be secured to Sea to Summit sleeping bags for added functionality and freedom
  • Comes with an Ultra-Sil compression bag and a storage cell
  • Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate wiggle room for the performance-oriented, backcountry user
Ascent -1 Regular Down Sleeping Bag Ascent -1 Regular Down Sleeping Bag Ascent -1 Regular Down Sleeping Bag
Ascent -1 Regular Down Sleeping Bag
Designed for comfort and adaptability and suited to a wide range of adventures
Down Filled Water Resistant Lightweight
Packability
Ultra Compact
Compact
Mid Size
Warmth
Summer
Multi-season
Alpine
Weight
Ultralight
Lightweight
Midweight
Foot width
59.5cm (Regular), 64.5cm (Long)
Shoulder width
78cm (Regular), 84cm (Long)
Compression
8 Litres (both sizes)
Fill weight
300g (Regular), 343g (Long)
Fill
ULTRA-DRY Goose Down 750+ Loft, RDS certified
Fits to
185cm (Regular), 198cm (Long)
Inner
20D recycled polyester with a non-PFC DWR finish
Outer
20D recycled polyester, 10D nylon hood and footbox
Temp rating
3°C comfort rating woman / minus 1°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022
Steph
Steph Bivouac Team Member

The Ascent is a great all rounder sleeping bag is rated to keep you toasty in a light frost. With 750 loft down they are packable enough to throw in your backpack, and also appropriate for car camping adventures. With the ability to open the bag up for use as a blanked, but two zips, one for the footbox, and the other along the side where you can zip the male and female bags together. The hooded bag is roomy with its rectangular shape and internal zip pocket on the inside for overnight storage of small items you want to keep close at hand. The Ascent is a great all rounder sleeping bag is rated to keep you toasty in a light frost. If you are particularly susceptible to the cold, it may be worth pairing with a liner

Fit tip:
N/A
  • Relaxed Mummy Fit: A more relaxed yet tapered mummy fit with high thermal performance
  • Lightweight 100% recycled 20D nylon shell with a non-PFC DWR finish to protect against wind and moisture and a 20D recycled nylon liner for greater comfort
  • bluesign®-approved fabrics
  • 750+ Fill Power, RDS-certified, Goose Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
  • Free Flow Zip System for reliable, snag-free operation and minimal weight:
    • Primary zip: full-length #5 with zip-plow and two sliders
    • Secondary zip: 1/2-length #3 with zip-plow and two sliders
    • Footbox zip: #5 with two sliders
  • Vertical chest baffles, horizontal baffles in the lower half and base, box wall baffle construction throughout
  • Generous fitted hood with two soft touch adjustments and fits a Sea to Summit regular pillow
  • Fitted front draft collar: scalloped over the neck and oversized at the shoulders
  • Single, down-filled draft tube along the top of zips
  • Internal pocket for phone / GPS / valuables
  • Pairs with women's Sea to Summit bags for a snug double sleeping bag
  • QuiltLock System allows integration with Sea to Summit quilts
  • Comes with an Ultra-Sil compression bag and a storage cell