what is the down weight in this jacket 650-750????My coat size is 42 long. Are these jackets true to size?

Tech Specs:

Material:

Schoeller NanoSphere Arctic Tech nylon, Schoeller c_change, woven backer 

Waterproof Rating:

Guaranteed 

Breathable Rating:

Variable 

Core Venting:

No 

Pockets:

2 Front w/ media port 

Seam Taped:

Yes, fully 

Powder Skirt:

No 

Hood:

Yes 

Zip-in Compatibility:

No 

Recommended Use:

Skiing, climbing, foul weather outdoor pursuits 

Manufacturer Warranty:

Lifetime 

Country of Origin:

Canada