Right, I need some winter kecks.

dhb roubaix 8- 18 degs
Or zeros’s ? -2 – 8 degs

I can only afford one set.

How warm are the roubaix?

I find that the roubaix are good down to sub zero on mtb. the zero’s are too warm unless its’ really cold/windy/on road bike. Zero’s are a bit less comfy as material a bit stiffer/less give

last winter I wore the zero’s once only, and I rode a few times per week, most weeks

Brought a pair of zero last year for the road and they are absolutely amazing. Not once last winter did I ever think about how cold my legs were and believe me I cycled in some cold conditions.

Watch out for sizing though. Some DHB stuff comes up at least one size too small. I hover between L and XL in most brands but I needed XXL in DHB and they were still tight