Wolverine Men's Walden II Thermal Pocket Long Sleeve Henley

Is this warm enough for outdoor winter work?

Yes; the thermal fabric is specifically engineered with a waffle-knit texture that traps your body heat efficiently, providing a critical layer of insulation that works perfectly on its own in moderate cold or as a primary base layer in severe, freezing temperatures.

Is it durable enough to stand up to heavy daily use?

It is built "Wolverine tough," featuring reinforced stress points and robust construction meant to withstand the daily rigors of industrial work, ensuring it holds up wash after wash without losing its shape or insulating properties.