Choose options
Meet the Beneunder Fleece Outdoor Base Layer — available in two warmth levels to adapt to different temperatures. Crafted from double-brushed fleece with high-stretch fibers, it keeps you warm without bulk and moves with you effortlessly. The fabric’s quick-dry technology wicks away sweat, while the slim fit layers easily under jackets or stands alone. Choose the Mid-Warmth version for 5°C to 15°C, or the High-Warmth version for -5°C to 5°C.
Highlights:
- Double-brushed fleece traps heat, +1.9°C to +2.1°C warmth boost
- Hollow-core fibers lock in warmth with 37.8%–44.1% better heat retention
- Two warmth levels: Mid-Warmth (5°C–15°C) / High-Warmth (-5°C–5°C)
- 3.4× stretch with 360° mobility, no tightness
- Sweat-wicking and quick-dry comfort for all-day wear
- Lightweight slim fit, easy to layer without bulk
36% Viscose, 28% Acrylic, 28% Cotton, 8% Spandex – soft and cozy with a fleece-like texture, combining natural comfort, lightweight warmth, and flexible stretch for a flattering fit.
• 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.
Based on moderate activity with a basic inner layer; increase warmth for wind or humidity.
Recommended range: 5–15°C / 41–59°F
Double-Sided Fleece for Lasting Warmth
Double-sided brushed fleece with infrared heating boosts warmth by +2.1°C. Hollow-core fibers trap heat effectively, delivering 37.8% better insulation than standard fleece.
3.4× Stretch for Total Freedom
With 3.4× stretch and 94.5% rebound, the fabric adapts to every move. Stay flexible and unrestricted whether stretching, bending, or in active motion.
Quick-Dry Comfort — Stay Warm, Not Damp
Engineered with quick-dry technology, the fabric wicks sweat within 1 second and disperses moisture fast. Stay dry and warm without the clammy chill of sweat.
Dual-Zip Styling for Versatile Layering
The dual-zip design offers adjustable comfort and versatile styling. Wear it slim on its own or layer it easily without bulk—adaptable for any occasion.
Seamless Finish for Skin-Friendly Comfort
Seamless construction minimizes skin friction for a smooth, irritation-free feel—even during long wear.