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Stay warm and flexible all winter with the Beneunder AirBloom 4.0 Insulated Pants. Built with a patented 3-layer thermal system — heat-storage core, moisture-resistant insulation, and a windproof outer shell — these thermal trousers deliver warmth equal to 800-fill down while staying lightweight and breathable. Engineered with 3D Dynamic Waist and 4-way stretch crotch panels, they allow unrestricted movement whether you’re hiking, skiing, camping, or commuting in cold weather. With wind resistance under 0.8 mm/s, a moisture regain rate as low as 0.3%, and a slim straight-leg cut, these insulated outdoor pants combine superior protection, comfort, and style for temperatures as low as -5 °C.
Highlights
- Patented 3-layer thermal design: heat-storage, insulation, windproof barrier
- Comparable to 800-fill down, +6 °C warmth boost, 2.3 Clo insulation rating
- Windproof index < 0.8 mm/s, moisture regain 0.3% for dry, cozy wear
- 3D Dynamic Waist + 4-way stretch gusset for free movement
- Straight-leg cut with shaping lines, anti-snow gaiters & adjustable cuffs
• 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.