A: 24/12 Jack Wolfskin

diddlydoop

https://www.jack-wolfskin.co.uk/advent-calendar/

Day 1 answer - 1981

Moneybot

Thanks

Day 1 prize 

WIN TODAY:

1x JACK WOLFSKIN Grand Illusion IV family tent

hertzyabazas

Day 2 - Answer - JACK WOLFSKIN Gift card worth £100

https://www.jack-wolfskin.co.uk/advent-calendar/

A unique membrane that is completely recycled

hertzyabazas

Day 3 - JACK WOLFSKIN hiking pack Prelight Shape 25

https://www.jack-wolfskin.co.uk/advent-calendar/

Answer - Prelight

Sophie56

Day 4 - down sleeping Bag
X-MAS Adventskalender online kaufen – JACK WOLFSKIN
Answer: Last North Expedition - 2014

Sophie56

Day 5 - Win one of 5 JACK WOLFSKIN Kolima 0.5-litre thermal flask
X-MAS Adventskalender online kaufen – JACK WOLFSKIN
Answer: 2020

hertzyabazas

Day 6 - 1x JACK WOLFSKIN Highland Trail 50+5 Women’s trekking pack

https://www.jack-wolfskin.co.uk/advent-calendar/

Answer - 3in1 System

Sophie56

Day 7 - 1x JACK WOLFSKIN Skyrocket III Dome tent
X-MAS Adventskalender online kaufen – JACK WOLFSKIN
Answer: Germany

Idol_Eyes

DAY 8  -  1x JACK WOLFSKIN Traveltopia Wheeler 40 suitcase

https://www.jack-wolfskin.co.uk/advent-calendar/

Answer - after 2-3 washes

From here 

Sophie56

Day 9 - 5x JACK WOLFSKIN Hasensprung Daypack
X-MAS Adventskalender online kaufen – JACK WOLFSKIN
 Aerorise  From here Jack Wolfskin’s New 3D-Printed Aerorise Carry System Elevates Backpack Design with Zonal Body Mapping Technology – JACK WOLFSKIN

Idol_Eyes

DAY 10

https://www.jack-wolfskin.co.uk/advent-calendar/

5x JACK WOLFSKIN Real Stuff Accessories-Set

Answer:  Passamani Down Hoody