Improving on perfectionCompletely re-engineered and representing the purest incarnation of our design philosophy, the Ultralight Down Pants 2.0 are the remarkable result of a seven year product cycle, a continuous strive for improvement, and our collective expertise in down insulation technology. These once experimental insulation pants are developed and optimized for demanding users.
Redesigned with new innovative materials and an updated fit, they offer a new level of usability, increased warmth, and improved durability. They provide an outstanding insulation-to-weight ratio and improved freedom-of-movement, featuring our new 100% recycled ultralight nylon fabric developed in Japan, best in class 850FP premium European goose down insulation and 3D-knitted micro-fibre stretch fabric panels.
Why you will like it
- Never get a cold seat again, the sense of warmth is immediate when you put them on.
- New Japanese ultralight ripstop fabric that is lighter, more durable and 100% recycled.
- New European hydrophobic 850FP platinum down that is RDS and Bluesign-certified.
- Take them on and off without removing shell pants or ski boots.
When we launched the iconic Ultralight Down Program in 2015, it stood in a class of its own, without any real competition on the market, offering unparalleled performance and superior materials. Now, we introduce its successor. The new Ultralight Down Pants 2.0 are more durable with upgraded technical features, improved fit, and a reduced footprint while remaining as incredibly warm, lightweight and ultra-comfortable as their predecessor. Designed to be worn under your shell, these down pants features class-leading warmth and are built to keep you comfortable during fast-and-light missions in extremely cold conditions.
The Ultralight Down Pants 2.0 are covered in a Japanese technology 100% pre-consumer recycled 10-denier nylon ripstop, weighing a featherlight 28 g/m2 and so thin that you might even see the actual down clusters through the fabric. The fabric is DWR-treated making it water-resistant and dirt repellent. The side panels are made from 3D-knitted micro-fibre jersey that is extremely stretchable, breathable and fast-wicking, providing increased comfort and freedom of movement.
They are filled with premium 850 fill power 97/3-quality European goose down that is proprietary, plasma-treated, and water-repellent, maintaining its insulation capability even when wet. It is also PFC-free, RDS-certified, bluesign®-certified, allergen-free, 100% recyclable and completely source track verifiable.
Full-length side zippers provide easy access. You can put them on and take them off without removing your boots, shoes or shell pants.
The Stellar Ultralight Down Vest 2.0 is an essential part of The Stellar System™, our expanding ecosystem of premium technical layering products for demanding on-mountain activities.
Outstanding insulation-to-weight ratio using best in class 850 fill power premium European goose down.
New ultralight 100% recycled Japanese 10D nylon ripstop that is wind and water-resistant. It is lighter and more durable.
Down insulation is PFC-free, RDS-certified, bluesign®-certified, allergen-free, 100% recyclable and completely source track verifiable.
One chest pocket and two hand pockets insulated on the outside, keeping hands and smartphones protected and warm.
Never get at cold seat again, the sense of warmth is immediate when you put them on.
Take them on and off without removing shell pants or ski boots.
Full technical details
Insulation: HyperDRY™ 850 fill power goose down from Allied Feathers. PFC-free, RDS-certified, bluesign®-certified, allergen-free, 100% recyclable and completely source track verifiable.
Main fabric: 100% pre-consumer recycled, PFC-free and DWR-treated nylon ripstop. 28g/m2.
Main fabric denier: 10D.
Waterproofness: PFC-free, DWR-treated goose down. Water-resistant DWR-treated rip-stop (main fabric).
Breathability: Low. This is not a garment for high-pulse activities. The extremely lightweight main fabric is very tightly woven to not let out any down through the fibers. This leads to lower breathability but excellent insulation.
Down fill weight: S 55 g, M 59,5 g, L 64 g, XL 68,5 g, XXL 73 g.
Garment weight: S 206,2 g, M 216,3 g, L 226,3 g, XL 241,4 g, XXL 251,3 g.
Inseam length: S 50 cm, M 52 cm, L 52 cm, XL 54 cm, XXL 54 cm.
Fit: Athletic fit.
Waist & belt configuration: Elastic waist with flat strings to adjust. On men’s there is a concealed fly zipper. Full side leg zippers for ease when taking off and on.
Zippers: YKK zippers.
Note: Colors might differ slightly between different materials due to differences in fabric texture and luminance.
Complete your system
Shipping & Delivery
The delivery time may differ between countries and regions. Please proceed to our checkout page to see the various shipping options available and their estimated delivery times and costs. Enter your country and postal code, and you will be presented with a list of shipping options to choose from. Each option will include its estimated delivery time and cost, so you can pick the one that best suits your needs.
Free Shipping is determined at checkout based on the order price. For details on the minimum order value to access free shipping in your country, please proceed to our checkout.
For EU + Norway customers: All orders placed before 12:00 CET (Monday-Friday) will be shipped the same day.
For all non EU customers: All orders placed before 10:00 CET (Monday-Friday) will be shipped the same day.
You pay what you see. All duties and VAT are included in the price when shipping to all countries except the below special conditions.
Special conditions Chile
Orders to Chile are shipped on a DAP (Delivered-at-Place) basis. All taxes and duties are excluded from the order price. Your order may be subjected to local taxes and import duties. Stellar Equipment does not cover taxes or duties for orders shipped to Chile.
Wash & Care
Hand wash or cold water wash. Do not use fabric softener.
After wash, tumble dry the garment on low temperature until the garment is dry. Make sure to close all pockets and zippers. Place a couple of tennis balls in the dryer – this will help the down distributing evenly within the down clusters.