Fashion & Clothing How snug should thermals be? February 2, 2026 by Mercier | Leave a Comment Thermals should fit snugly against your skin to effectively trap body heat and wick moisture away. A close fit ensures optimal warmth and comfort without restricting movement. Here’s a detailed guide on how to choose the right thermal fit, including tips on selecting materials and understanding sizing. Why Do Thermals Need to Be Snug? Thermals […] Read more »