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The 4-way stretch thermal fabric provides warmth, wicking, and breathability, while the inner grid structure enhances compressibility and airflow. The slim fit offers complete freedom of movement as a layering piece, ideal to team with a protective outer layer, like the OS Insulated Trousers. These versatile OS Thermal Leggings are designed and engineered to protect you against the coldest conditions.
S, M, L, XL