This thermal wind boxer is a great base layer for cold, windy days. The contour pouch is wind-resistant polyester ripstop, lined with same soft knit as body. Main body is Silc Lite knit of moisture-transfer polyester and spandex.

• Designed to wear under running pants, especially for 40 degrees and below.
• Compression fit is snug for support.
• Contour pouch has seam at base for shape.
• Yoke back seaming.
• Exposed microfiber elastic waistband with Brooks logo.
• Makes a the perfect base layer in cold weather.

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The Brooks Thermal Wind Boxer 210329 features a wind-resistant contour pouch and moisture-wicking polyester/spandex body. Brooks Thermal Wind Boxer 210329 is a great base layer for cold weather, with a supportive compression fit.