Mountain Equipment Paiyu Down Jacket - Blue - L

The Paiyu Jacket is a highly compressible, down-insulated jacket designed for mountaineering and c...

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TisoMen's Mountain Equipment Paiyu Insulated Jacket - Navy - Large - Insulated Jacket - Ski
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Product Information

Full details

The Mountain Equipment Paiyu Down Jacket is a high-performance expedition layer designed for mountaineers, climbers, and backcountry skiers operating in extreme, sub-zero conditions. It excels by providing superior thermal efficiency through dual-layer offset baffles and an integrated reflective barrier, making it an ideal choice for 5,000 to 6,000m peaks; however, its specialized expedition-grade bulk may feel excessive for casual or low-altitude winter activities.

All features

Age Groupadult
ColourBlue
GenderMale
MaterialPolyester
SizeL
Model Part Number007585-01759-L
BrandMountain Equipment

Extended Product Information

FAQs

Is this jacket waterproof?

The jacket features a DRILITE Loft outer which is windproof and water-resistant, protecting the down from light precipitation, but it is not a fully waterproof rain shell.

Can I wear this with a climbing harness?

Yes, the pockets are positioned to remain accessible while wearing a harness or a backpack waist belt.

How do I store the jacket long-term?

Always store the jacket hanging or in a large breathable storage bag; avoid keeping it in the stuff-sack for extended periods to prevent damaging the down's loft.

Does the hood fit over a climbing helmet?

Yes, the Mountain HC Insulated Hood is fully adjustable and designed to fit comfortably over most climbing helmets.

What is the primary benefit of the offset baffle construction?

It removes the stitch-through seams, eliminating cold spots and providing significantly higher thermal efficiency.

Troubleshooting

Down feathers migrating through the fabric

This is common with down garments; gently massage the feather back into the baffle from the inside rather than pulling it through.

Jacket feels less warm over time

The down may have clumped due to moisture or oils; wash the jacket with a proper down soap and tumble dry with clean tennis balls to restore loft.

Hood adjustment toggles are stuck

Check for frozen moisture or debris in the mechanism; thaw or clean the area, then spray with a small amount of silicone lubricant if necessary.

Pros and Cons

Pros

  • Eliminates cold spots via innovative baffle construction
  • Excellent warmth-to-weight ratio for high-altitude expeditions
  • Versatile hood system compatible with climbing helmets
  • Extensive internal and external storage options
  • Includes a stuff-sack for compact storage

Cons

  • More bulky than standard mid-layers
  • Over-engineered for casual or urban winter use
  • Requires careful storage to maintain down loft

Setup, Compatibility & Care

To maximize the lifespan of the Paiyu Jacket, store it uncompressed in a cool, dry place when not in use. When packing for an expedition, use the provided stuff-sack to minimize volume. For cleaning, use a specialized down-cleaning detergent and follow the manufacturer's care label instructions exactly to ensure the down loft is restored after drying. The jacket is designed to be highly compatible with standard climbing helmets, but we recommend adjusting the rear volume and frontal toggles while wearing the helmet to ensure a secure, obstruction-free fit before heading onto the mountain. Always ensure the DRILITE Loft outer shell is wiped clean of mud or grit after a trip to maintain its water-resistant properties.

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