The Heat Wool Longsleeve is a merino blend midlayer offering warmth and breathability for cold training days. Soft next to skin and naturally odor-resistant, it’s ideal for versatile winter layering.

Why we like it:

Its merino/polyester blend regulates temperature and feels exceptionally comfortable. The half-zip and thumb loops add performance-driven function.

Features and Functions:

49% polyester, 46% merino wool, 5% elastane fabric with flatlock seams, half-zip collar, and internal thumb loops.

Fit and Sizing:

Athletic fit for easy layering; true to size.

Bottom Line:

A reliable cold-weather staple for high-output winter activity.