SIZE GUIDE – FOLLOW SIZE CHART, NOT YOUR USUAL SIZE: The size label on the garment follows Asian sizing and will appear about 2 sizes larger than your ordered US size (THIS IS NORMAL). Please select your size strictly based on the size chart measurements. This men’s slim-fit base layer is designed for a close, athletic fit—ideal for skiing, running, hiking, and winter sports.
MERINO WOOL BLEND PERFORMANCE FABRIC – 7% WOOL: Made with a high-performance blend (7% wool, plus polyester, nylon, lyocell, and spandex), this is NOT 100% wool. It delivers better stretch, durability, and shape retention than traditional merino wool base layers. Unlike pure wool thermals that may lose elasticity over time, this fabric maintains flexibility and structure after repeated wear and washing.
ACTIVE THERMAL BASE LAYER – BUILT FOR MOVEMENT: Designed for active use like skiing, hiking, running, and training—not for extreme cold while staying still. This men’s thermal underwear provides lightweight warmth with excellent breathability. Strategic ventilation zones at the chest, back, and underarms help regulate body temperature during movement.
ADVANCED MOISTURE-WICKING & SEAMLESS COMFORT: Stay dry with one-way moisture transport technology that pulls sweat away from the skin. 3D ventilation panels at the underarms, wave structure on the back, and honeycomb mesh zones accelerate airflow and evaporation. Seamless construction reduces chafing, while targeted compression at knees and elbows enhances support and performance.
DURABLE, ODOR-RESISTANT & EASY CARE: Built for long-term performance, this men’s base layer set is machine washable and retains its shape after repeated washes. Natural wool fibers help reduce odor, while the stretch fabric ensures a secure fit during intense activity. Perfect for skiing, snowboarding, running, gym workouts, hunting, and outdoor winter adventures.
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