Ventarra Unisex Shell Pants – Front & Back Hidden Zip Vents, Fluorine-Free Waterproof, Seam-Sealed
Design Concept & Details
The Ventilation System That Changes Everything.
Most shell pants trap heat. The Ventarra Unisex Shell Pants don't. A front ultra-long double pull-tab concealed zipper works in tandem with a hidden back panel opening to create a powerful front-to-back ventilation system — letting you rapidly balance body and environmental temperature without removing a layer. It's the solution to the most persistent pain point in outdoor performance wear: hot, humid, uncomfortable shell pants.
Built from a premium 3-layer composite fabric with a fluorine-free breathable PU membrane, these pants deliver serious waterproof and windproof protection without the environmental cost of traditional fluorine treatments.
Key Technical Features
- Front & Back Hidden Zip Vent System – Ultra-long double pull-tab concealed zipper on the front panel echoes the hidden opening on the back panel, creating a powerful ventilation circuit that rapidly equalizes body and ambient temperature during high-output outdoor activity
- 3-Layer Composite Fabric – Outer layer: windproof, waterproof, and stain-resistant. Middle layer: highly breathable fluorine-free PU membrane for moisture permeability without environmental compromise
- Fluorine-Free Waterproof Treatment – Eco-conscious DWR alternative that keeps you dry without PFAS chemicals
- Full Seam-Sealed Construction – Pressure-bonded seam tape throughout for complete waterproof integrity in wet conditions
- Vertical Curved Blade Cut – Cutting lines follow the natural curve of the legs with dedicated knee curve processing for unrestricted movement in outdoor and urban commuting scenarios
- Multiple Storage Pockets – Practical storage for trail essentials without adding bulk
Perfect For
These unisex waterproof shell pants are built for trail running, hiking, mountaineering, skiing, and urban commuting in variable weather. The front-to-back hidden zip vent system makes them especially effective for high-output activities where temperature regulation is critical.
Available In
Sizes M–L | Colors: Light Khaki, Black
Washing Instructions
Care Instructions:
- Check label: Follow any special instructions on the garment’s care label.
- Prepare for washing: Zip all zippers, fasten Velcro, and reset drawcords. Wash separately or in a laundry bag.
- Use gentle detergent: Only use neutral liquid detergent. Avoid powder, fabric softener, bleach, or stain removers.
- Wash settings: Machine wash on low-speed cycle, water temperature below 40°C (104°F).
- Rinse thoroughly: Rinse at low spin speed at least twice to remove all detergent.
- Drying: Hang to air dry or tumble dry on gentle medium heat.
Reactivating DWR (Durable Water Repellent) Function:
- Tumble dry on low heat for 20 minutes.
- If needed, apply water-repellent spray and repeat tumble-dry activation.