SKU: 56907568089

Sea To Summit Trek Down Sleeping Bag -18c Blue

Sale price$315.00 Regular price$350.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Sea To Summit Trek Down Sleeping Bag -18c BlueIf you've ever wished for a less constrictive sleeping bag that keeps you comfortable in a variety of cool to warm conditions, the Trek may become your go to bag. The Free Flow Zip system allows you to open the bag sequentially for ventilation up to the point where it is opened flat as a quilt you can even secure the snaps around your shoulders, open the footbox zipper and 'wear' the Trek around camp. 650+ fillpower duck down with a non PFAS Ultra Dry

If you've ever wished for a less-constrictive sleeping bag that keeps you comfortable in a variety of cool-to-warm conditions, the Trek may become your go-to bag. The Free-Flow Zip system allows you to open the bag sequentially for ventilation up to the point where it is opened flat as a quilt - you can even secure the snaps around your shoulders, open the footbox zipper and 'wear' the Trek around camp. 650+ fillpower duck down with a non-PFAS Ultra-Dry Down treatment keep you insulated in damper conditions. Slip an Aeros Pillow into the hood and enjoy a great night's sleep - wherever your travels take you.

FEATURES

  • RDS-certified, 650+ fillpower duck down with a non-PFAS Ultra-Dry Down treatment to stay drier in damp conditions
  • Includes a recycled 20D polyester shell with a non-PFAS DWR finish blocks wind and moisture, while the polyester liner provides pure comfort.
  • Free-Flow Zip System offers great temperature regulation and multiple sleeping bag configurations
  • Tapered-rectangular fit is designed for spacious comfort when you're camping or traveling
  • Sea to Summit Guarantee is offered for the Lifetime of this product

TECH SPECS

Weight

-18C|0F R: 1.9kg

Certification

RDS - 883003
RCS - 1114661

Material

Shell: 100% Polyester
Lining: 100% Polyester
Fill: 80/20 Duck Down
Stuff Sack: 100% Nylon - excluding trims

Internal chest circumference

R: 158cm

Internal hip circumference

R: 149cm

Internal foot circumference

R: 131cm

Packed dimensions

-18C|0F R: 20 x 30 x 50cm

Recommended user height

R: 185cm

Insulation type

RDS certified, 650+ fillpower duck down with a non-PFC Ultra-Dry Down treatment

Compression sack volume/ASTM F1853-11 compressed volume

-18C|0F R: 26L/14.2L

MENTION IN THE COMMENTS IN THE CHECKOUT SECTION THAT YOU ARE A CADET AND WE WILL THROW IN A FREE GIFT FOR ORDERS OVER $50

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56907568089

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4.3 ★★★★★
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Marci harvey
Lowell, US
★★★★★ 5
Definitely recommend
Color: Medieval Blue, Size: Large
Very nice shirt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
L
Verified Purchase
Lady29
Lowell, US
★★★★★ 5
Comfortable soft shirt
Fits great. Looks good too. Very soft fabrick. Thin enough for summer. Buttons are a little difficult to undo. Fabrick is thin around them and feels like it may unweave. Otherwise very well done
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
M
Verified Purchase
Mitchroy
Chelsea, US
★★★★★ 4
I love the color and texture of the material.
Color: Acorn, Size: Large
This is a good and comfortable.
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Reviewed in the United States on January 4, 2025
J
Verified Purchase
Jay P
Natrona Heights, US
★★★★★ 5
Great value for travel, the golf course, etc
These are my go to shirts for work, golf course, nights out with the wife and friends. I travel weekly & these are perfect. I love the stretch, the feel, the look and that is is form fitting. This shirt fits the bill and come basically overnight a la Prime. Do not hesitate, buy this stylish shirt.
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Reviewed in the United States on June 23, 2025
T
Verified Purchase
Thomas Wink
Whiting, US
★★★★★ 5
Very comfortable
Color: Wood Ash, Size: 3X-Large
Exactly what I was looking for
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Reviewed in the United States on May 18, 2026

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