FREE UK STANDARD DELIVERY ON ORDERS OVER £30

  • Sea To Summit Spark SpIII - Long Grey/Yellow
  • Sea To Summit Spark SpIII - Long Grey/Yellow

Sea To Summit Spark SpIII - Long Grey/Yellow

RRP £470.00 Now £376.00

Item in Stock Usually dispatched within 24 hours

Sizes

  • Long
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Sea To Summit Spark SpIII - Long Overview

Lightweight for ultimate performance on those fast and light treks, the Spark SpIII sleeping bag from Sea to Summit is great for use all year round thanks to the 850+ loft premium goose down that locks in heat to keep you warm all night long. The vertical box baffles in the torso area allow for extra down and increases warmth around the core and prevents the down from moving during use. The full side zip with two sliders allows for easy access and extra ventilation for those warmer nights undert the stars, the ULTRA-DRY Down™ protection prevents condensation on the inside of the sleeping bag and protects the down from light showers. The mummy shape increases thermal efficiency and comfort a better nights sleep wherever you are. 

Features & Benefits

  • Ultralight 7D and 10D fabrics for minimal weight and packed size
  • RDS 850+ Loft Premium Goose ULTRA-DRY Down™ for maximum insulation value
  • Contoured mummy shape for comfort and efficient insulation
  • Vertical chest baffles prevent down migration and cold spots
  • NOTE: This bag is not designed to pair with another
  • Uses a full box baffle construction to accommodate extra down and reduce cold spots
  • Expedition mummy bag sizing provides extra space for layered clothing or extra wriggle room
  • Vertical baffles on chest optimises positions of down to prevent it moving during use
  • Full side zip with two sliders provides easy access and extra ventilation options
  • Zipper draft tube, hood and front neck draft collar to prevent warmth being lost when it’s needed
  • Temperature rated- -2°C - -26°C

Delivery and Returns

UK Standard Delivery

  • UK Standard Delivery is Free for orders over £30
  • UK Standard Delivery is £1.99 for orders under £30

UK Next Day Delivery

  • The cost of Next Day Delivery is £4.99
  • If you order by 2pm, you will receive your order the next working day
  • If you order anytime at the weekend, you will receive your goods on the following Tuesday.
  • Next Day Delivery is not available to the following: Europe, Ireland and the Scottish Highlands

UK Returns

  • Extended Returns: We're offering extended returns for the festive period, any item purchased from the 1st of October until the 31st of December can be returned up until the 31st of January.
  • Easy returns within 30 days of receipt

Product Details

Lightweight for ultimate performance on those fast and light treks, the Spark SpIII sleeping bag from Sea to Summit is great for use all year round thanks to the 850+ loft premium goose down that locks in heat to keep you warm all night long. The vertical box baffles in the torso area allow for extra down and increases warmth around the core and prevents the down from moving during use. The full side zip with two sliders allows for easy access and extra ventilation for those warmer nights undert the stars, the ULTRA-DRY Down™ protection prevents condensation on the inside of the sleeping bag and protects the down from light showers. The mummy shape increases thermal efficiency and comfort a better nights sleep wherever you are. 

Features & Benefits

  • Ultralight 7D and 10D fabrics for minimal weight and packed size
  • RDS 850+ Loft Premium Goose ULTRA-DRY Down™ for maximum insulation value
  • Contoured mummy shape for comfort and efficient insulation
  • Vertical chest baffles prevent down migration and cold spots
  • NOTE: This bag is not designed to pair with another
  • Uses a full box baffle construction to accommodate extra down and reduce cold spots
  • Expedition mummy bag sizing provides extra space for layered clothing or extra wriggle room
  • Vertical baffles on chest optimises positions of down to prevent it moving during use
  • Full side zip with two sliders provides easy access and extra ventilation options
  • Zipper draft tube, hood and front neck draft collar to prevent warmth being lost when it’s needed
  • Temperature rated- -2°C - -26°C

Delivery and Returns

UK Standard Delivery

  • UK Standard Delivery is Free for orders over £30
  • UK Standard Delivery is £1.99 for orders under £30

UK Next Day Delivery

  • The cost of Next Day Delivery is £4.99
  • If you order by 2pm, you will receive your order the next working day
  • If you order anytime at the weekend, you will receive your goods on the following Tuesday.
  • Next Day Delivery is not available to the following: Europe, Ireland and the Scottish Highlands

UK Returns

  • Extended Returns: We're offering extended returns for the festive period, any item purchased from the 1st of October until the 31st of December can be returned up until the 31st of January.
  • Easy returns within 30 days of receipt

Size Guide

Men's

Trousers

Size XS S M L XL XXL
Waist 28” 30” 32” 34” 36” 38”
Leg Length Short Regular Long
  30” 32” 34”

Chest sizing varies widely depending on the garment, brand or range. Instead we have outlined below a few of the main types of fit found in our ranges and how they compare.

Size XS S M L XL XXL XXXL
Chest 36” 38” 40” 43” 46” 49” 52”
Waist 28” 30” 32” 34” 36” 38” 40”

Women's

All of our women's clothing is shown in UK sizes but many of our brands use US sizing too, for reference we have included a rough conversion.

  XXS XS S M L XL XXL
UK 6 8 10 12 14 16 18
US 2 4 6 8 10 12 14

Footwear

All of our footwear is shown in UK sizes but some of our brands do also use European and US sizing. Converting from UK to European sizing is not exact and varies between brands. The table below is a rough guide only. If in doubt, contact us.

Men's

UK 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14
US 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15
EU 41 41.5 42 42.5 43 43.5 44.5 45 45.5 46 46.5 47 47.7 48 48.5

Women's

UK 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5
US 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 11 11.5
EU 35.5 36 36.5 37 37.5 38 38.5 39 39.5 40 40.5 41