Black ice Z Series Mummy Sleeping Bag

Blackice Z Series 95% FP800+ Mummy Goose Down Sleeping Bag

Product Code: Z400/700/1000
Colour: Gold/Blue
Filling: waterproof goose down FP800+

Size:
Z400:M(75x195cm  2.46x6.4ft)/L(80x205cm  2.62x6.72ft) 
Z700:M(80x195cm  2.62x6.4ft)/L(85x205cm  2.79x6.72ft)
Z900:M(85x195cm  2.79x6.4ft)/L(90x205cm  2.95x6.72ft)

Weight:
Z400:640g(M)/660g(L)
Z700:970g(M)/990g(L)
Z1000:1295g(M)/1330g(L)

Outer Material: 10D Chinlon
Internal Lining: 10D Chinlon

Z400: Extreme: -5°C/23°F Comfort: 0°C/32°F Limit of high:5°C/41°F
Z700: Extreme: -14°C/6.8°F Comfort: -9°C/15.8°F Limit of high:-2°C/28.4°F
Z1000: Extreme: -23°C/-9.4°F Comfort: -18°C/-0.4°F Limit of high:-11°C/12.2°F

The specially designed parts in head and foot will muffle you up well.

The unique design of the neck and chain attached more effectively prevent loss of heat and cold air invasion.

A high density fabric compression bag is included, which is stronger, lighter, smaller durable and more portable.

Next, I will explain the structural design of the G series

1. Neck Baffle: Keep your neck warm and prevent heat loss
2. YKK luminous zipper, easier to find the zipper in the dark
3. Thickened sides increase warmth
4. The design of the chest can greatly reduce the offset of down
5. Footbox: G series foot-box pattern eliminates dead space and bulk, maximizes warmth, and affords ample room for “splay” and movement.
6. Boxed Baffle, high-end sleeping bag design

As a former Amazon seller, I am pretty sure that there is no sleeping bag on Amazon in the UK that is better than the Blackice Z series. 

Let's compare some famous brands: seatosummit Alpine ApII -20°c  £550.00
https://www.seatosummit.co.uk/products/sleeping-bags/alpine-apii-20c/

nemo sonic™  £435.00
https://www.nemoequipment.com/product/sonic/

rab Andes 1000  £680.00
https://rab.equipment/uk/andes-1000

The prices of these 3 close configurations are much more expensive than Blackice Z1000