Does anybody know if this is big enough for winter camping.

Tech Specs:

Material:

630D nylon, 1260D ballistic nylon 

Volume:

45 L 

Waist-Belt:

yes, padded 

Pockets:

(external) 1 lid, 1 front shovel 

Weight:

3.7 lb 

Recommended Use:

backcountry touring 

Manufacturer Warranty:

lifetime 

Access Types:

top, back panel 

Shovel Pocket:

yes 

Support/Suspension:

pre-curved framesheet 

Rain Cover:

no 

Ski Carry:

yes, diagonal, , A-frame 

Snowboard Carry:

yes, vertical 

Ice Axe Loops:

1 

Hydration Compatible:

yes, insulated sleeve 

Reservoir Included:

no