Is this warmer than a standard North Face puffer?

Warmth comes from the same down and feather fill North Face uses in its mainline puffers, so expect similar insulation. The difference is the Brain Dead design, not extra loft.

Can I wear it in rain or snow?

Down clumps and loses loft when soaked, so it is best in dry cold. In wet weather, wear a shell over it or choose a synthetic-insulated jacket.

It is cut as a men's puffer with room for a hoodie or sweater underneath. Sizing runs in standard North Face men's sizes, so most buyers take their usual size.

How should I wash a down puffer?

Use a down-specific detergent on a gentle cycle, then tumble dry low with dryer balls to break up clumps. Avoid fabric softener and never dry-clean down.

Is the collaboration version worth it over a regular Nuptse?

Only if you want the Brain Dead graphics and limited-run appeal. A mainline North Face puffer gives the same down warmth with easier replacement if it wears out.