Choose options
Meet the Beneunder Half-Zip Fleece Base Layer — designed for warmth, stretch, and all-day comfort outdoors. Made with double-brushed fleece fabric, it offers soft insulation that boosts warmth by +2.1°C and enhances heat retention by 37.8%. The 360° stretch structure moves with your body, while moisture-wicking fibers keep you dry and fresh. Lightweight at just ~225g, it’s perfect for layering or wearing on its own in temperatures from 5°C to 15°C.
Highlights：
- Double-brushed fleece traps heat, +2.1°C warmth boost
- Hollow-core fibers lock in warmth, +37.8% retention
- 360° stretch with 244% expansion, no tightness
- Wicks moisture instantly (521% absorption, 279.6mm/s breathability)
- Ultra-light at ~225g, slim fit 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-Brushed Fleece — Lightweight Heat Lock
Double-brushed fleece and hollow-core fibers work together to boost warmth by +2.1°C and improve heat retention by 37.8%. Soft yet effective, it delivers lasting insulation without extra weight.
360° Stretch — Move Without Limits
With 244% stretch and 94.5% recovery, the fabric adapts seamlessly to every move—whether stretching, bending, or lifting—ensuring total freedom without tightness.
Quick-Dry Wicking — Stay Fresh Outdoors
High-performance fibers wick moisture instantly with 521% absorption and 279.6mm/s breathability. Sweat dries fast, keeping you dry and comfortable in active conditions.
Ultra-Light 225g — Wear Alone or Layered
Weighing only ~225g, it’s light enough for easy layering yet sleek enough to wear solo. Slim-fit warmth without the bulk.
Seamless Soft Finish — Gentle on Skin
Seamless flatlock stitching and soft zipper edges ensure irritation-free comfort, even during long hours of wear.