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Sea to Summit Trek TKI Down Sleeping Bag – Regular
Sea to Summit Trek TKI Down Sleeping Bag – Regular
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Room to rest and adjustable ventilation
The Sea to Summit Trek TKI Regular is listed with a wider-cut, tapered rectangular shape for campers who prefer an alternative to a close-fitting mummy bag. Adjustable ventilation offers different ways to settle in after a day outside.
Supplier-described features
- Insulation: ULTRA-DRY Down, listed at 650+ loft.
- Shape: A wider-cut tapered rectangular design.
- Construction: Vertical chest baffles, side-wall baffles, and an oversized draft tube.
- Ventilation: Side and footbox zippers, with the option to open the bag out as a comforter.
- Fabrics: Supplier-listed 30D nylon shell and soft-touch 20D lining.
- Storage: Internal pocket and a listed Ultra-Sil compression bag.
- Size: Regular. Contact us for available model-specific dimensions and fit information.
Why we chose it
Rest and time outdoors can be meaningful parts of living well. The supplier-described roomier shape and adjustable ventilation fit our Camping & Outdoor collection's focus on practical gear for outdoor downtime.
Temperature and trip planning
A sleeping bag is one part of a sleep system, alongside a suitable sleeping pad, shelter, clothing, and conditions. Do not choose this bag from a temperature number in a product name alone. Comfort, lower-limit, and extreme ratings are not interchangeable, and no rating guarantees warmth for every sleeper. Contact Jaybird Essentials for available exact-model rating documentation before selecting it for your trip.
Plan for moisture management and drying, and follow the care label for cleaning, storage, and packing. A water-repellent down treatment does not make a sleeping bag waterproof.
Accessibility and fit
Consider internal dimensions, zipper reach and grip, entry and exit, and the ability to change position within your complete camping setup. A roomier shape does not establish accessible design or suitability for individual mobility needs. For individualized advice, consult an appropriate occupational therapist or accessibility professional.
Product and order support
For general product details, available size and temperature-rating documentation, included accessories, care guidance, warranty inquiries, or order assistance, contact support@jaybirdessentials.com. Jaybird Essentials can coordinate with the supplier; we do not provide individualized assessments, clinical advice, fitting, or in-person setup.



