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Limited Time: Up to 70% Off Everything — Gear Up for Less





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We provide a secure and reliable Free Returns service for all customers. Items that remain unused and unopened may be returned within 60 days for a full refund.
All return shipping expenses, including customs-related fees, are fully covered by us.
Refund processing will be completed within 4 weeks from the date the return shipment is sent, regardless of whether the package has arrived at our facility. In general, refunds are finalized significantly earlier, ensuring a smooth and dependable experience.
Free standard shipping on orders
We are pleased to offer Free Worldwide Shipping on all orders, delivering to all countries and regions supported by our logistics network.
There are no restrictions on order quantity, parcel size, or shipment weight — every order ships at no cost to you. In addition, all customs duties, import taxes, and government-imposed fees associated with your shipment will be fully covered by us, ensuring you will not incur any extra charges upon delivery.
Please note that delivery times may vary due to local customs procedures and carrier conditions, but your shipping and customs costs will remain completely free under this policy.
The Helium UL Pant is built for fast and light hiking and unpredictable weather, delivering ultralight, waterproof protection for minimalists who move quickly in the mountains.
Constructed with Toray Dermizax™ 2.75-layer fabric, these pants are fully waterproof, windproof, and breathable for comfort in wet, windy conditions. The 15D ripstop nylon shell is exceptionally lightweight yet durable, and the back pocket doubles as a stuff sack for compact storage. Functional details include ankle zippers, elastic cuffs with gripper tape, and lace loops for secure fit, while a gusseted crotch and elastic waistband with drawcord provide mobility and comfort. Reflective logos add visibility in low light for confidence in any conditions.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product.
The Helium UL Pant blends Toray Dermizax™ 2.75-layer waterproof fabric and fully seam-taped construction to deliver ultralight, breathable protection for hiking, trail running, and travel.
Enjoy free ground economy shipping on orders $125+ USD / $175+ CAD. Please note: Final sale items cannot be returned or exchanged.
| 28 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 40 | 42 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Waist
Measure around your natural waistline at the smallest circumference.
|
29.5”75 | 31”79 | 32”81 | 33”84 | 34”86 | 35”89 | 36”91 | 37”94 | 39”99 | 41”104 | 43”109 |
| Hips
Measure the circumference at the fullest point of your hips keeping tape parallel to floor.
|
35.5”90 | 37”94 | 38”97 | 39”99 | 40”102 | 41”104 | 42”107 | 43”109 | 44.5”113 | 46”117 | 47.5”121 |
| Inseam/ short
Choose a pair of pants that fits well, and measure the inseam from crotch seam to bottom of the hem.
|
30”76 | 30”76 | 30”76 | 30”76 | 30”76 | 30”76 | 30”76 | 30”76 | 30”76 | 30”76 | 30”76 |
| Inseam/ reg
Choose a pair of pants that fits well, and measure the inseam from crotch seam to bottom of the hem.
|
32”81 | 32”81 | 32”81 | 32”81 | 32”81 | 32”81 | 32”81 | 32”81 | 32”81 | 32”81 | 32”81 |
| Inseam/ tall
Choose a pair of pants that fits well, and measure the inseam from crotch seam to bottom of the hem.
|
34”86 | 34”86 | 34”86 | 34”86 | 34”86 | 34”86 | 34”86 | 34”86 | 34”86 | 34”86 | 34”86 |
*All sizing is based on your body measurement.
We adjust the garment for intended fit and intended use.
Classic fit for comfort and ease of movement.
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