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Meet the Beneunder Thermal Base Layer Series — designed for cold-weather adventures and cozy everyday warmth.
Engineered with dual-tech fabrics, this series balances heat retention, moisture control, and skin-friendly comfort.
The Heat-Lock line features moisture-activated thermofibers that warm up by up to 8 °C.
The Amino-Skin line infuses amino acids and silk protein to hydrate skin and reduce winter dryness and static.
Highlights
- Moisture-Heating Tech: converts moisture into warmth, increasing skin temperature by 8 °C +
- Dual-Layer Warm Fibers: inner hollow knit traps heat, outer layer blocks cold air
- Amino-Acid Blend: nourishes skin, locks in hydration, reduces friction
- Soft-Touch & Stretchy: 360 ° flexibility for comfortable layering or standalone wear
- Anti-Static Barrier: stays smooth through repeated washes
- Skin-Friendly Warmth: retains softness even in low-humidity environments
• Free Shipping on all orders.
• 30-day Return: Feel free to send your item back within 30 days of receiving the product.
You can review our shipping and returns policy here.





















