TESTING CONDITIONS
James is 180cm tall with average-width shoulders. He tends to be a ‘cold sleeper’, and he has taken this into consideration. He tested the sleeping bags in a variety of conditions in the Scottish Highlands during the spring – in overnight temperatures ranging from around +2°C to +9°C. He weighed the sleeping bags (including stuff sacks) using his own digital scales.
BEST BUY
Sea to Summit
Ascent Acl -4
£320
926g (regular)
warm, packs down very small, hydrophobic down fill.
expensive
Fill: 330g 750FP Ultra-Dry down
Shell: 20D ripstop nylon
Construction: side block baffle
Zip: 2-way, full-length on left, 2-way, 1/3-length on right
Length: 205cm (regular)
Rating: comfort +2°C, limit -4°C
Sizes: regular, long
Women’s version: no
This is shaped something like a mid point between a mummy and a semi-rectangular bag. If you are not a fan of the former’s snug fit around the legs and feet, this