Can Astro Boy ar be worn alone in winter?

Astro boy ar, archaeopteryx, is suitable for the cold weather of MINUS 30 degrees, with strong warmth and can be worn alone.

Archaeopteryx is a top outdoor clothing and backpack brand from Canada. Astro boy ar is designed for the worst extreme environment and uses the most durable materials. In order to cope with the bad weather, the hood design will be added to give the most complete protection.