Bikepacking - a viable alternative to racks & panniers

Here's some notes of Winter packing from Lewis Ciddor, Tour Divide winner, that I transcribed from a video of his: https://www.instagram.com/xshippx/
I like seeing exactly what other people who are experienced and talented use, maybe it's of interest to someone else also.

#conditions
down to -4 two nights

#wearing
camelbak water vest
rapha brevet insulated gilet
5.10 kestrel pro boa
UD trailrunning gaiters (keep sand out)

#seatpack - camp gear/end of day
cookset
firelighters x2
15ml measure for meths
meths bottle
alcohol stove (homemade)
pot lid
aluminium foil windscreen
cleaning cloth
ti snowpeak pot/mug
terra rosa cuben tarp with guys - dimensions roughly 2.7x1.5
pegs
thermarest xtherm full length
montbell bivvy
cumulus 0º sleeping bag
sea to summit thermal liner
instant coffee
instant miso
freezedried meal
spare tube

#tt bag
snacks
k-lite usb charger
battery pack

#feedbag
snacks

2.7l of water on bike (3 bottles)

#micro framebag
tiny smoove lube bottle
crankbros multi tool with chain breaker
repair kit - pads, link, dynaplug, gerber mini multi tool, tire lever

#front revelate acc pocket
garmin inreach mini
thin fleece gloves
sony rx100
tripod
buff
spare batteries
toilet paper
deuce of spades
water filter
spork
sunscreen

#front roll bag
one end for stuff during day
other end for puffy jacket / end of day
montane minimus rain pants with calf straps
reflective ankle strap
montane minimus 777 rain jacket
borah gear event rain mitts
arm warmers
leg warmers (full length)
montane microgrid fleece with hood
montane microgrid beanie (wear under helmet or to sleep)
macpac microgrid thermal leggings (sleep)
thinner spare socks
montane prism booties (camp/sleep)
patagonia nano puff hooded synthetic jacket