Cuben Bug Bivy:


A lighter version of our bug bivy, constructed with 0.5oz no-see-um netting as well as a 0.8oz Dyneema® Composite Fabric floor

-3.9oz for Standard/Standard with a chest zipper
-4.2oz for Standard/Standard with a side zipper
See "Sizing/Specs" below for more weights & dimensions

- #3 YKK zipper with two pulls, which can be opened and closed at any point along the zipper track. Two zipper options:
Chest Zip: Lightest option, minimalist entry. Zipper goes across the chest
Side Zip: After going across the chest, the zipper turns down the left side for 24". Easiest to get in and out of. If you'd like it down the right side instead, just send us an email after ordering.

-Includes tie-points at the head and foot end to pull the netting off the user. Includes lengths of shock cord to tie off the reinforced pull outs.

-Loops at footbox and head-end corners

- DCF stuff sack included

- Made in Montana

Cuben Bug Bivy Specs

Reg/Reg Reg/Wide Long/Reg Long/Wide
Weight (Chest Zip, Side Zip) 3.9oz, 4.2oz 4.2oz, 4.5oz 4.2oz, 4.5oz 4.5oz, 4.8oz
Shoulder Girth 75" 83" 75" 83"
Foot Girth 66" 70" 66" 70"
User height Up to 6' Up to 6' Up to 6'4" Up to 6'4"


Sizing notes:

-If you use a 25" wide pad, go with a wide bivy. In general, users under 180lbs fit well in a regular girth, and 180-220lbs in a wide.

For users over 220lbs or 6'4", please contact us for custom sizing. Custom sizing is $5 in most cases.

Were you quoted extra for custom work, or need to add international shipping? Click here

Please check the homepage for lead times before ordering to see the date when your bivy will be sewn and shipped. Lead times are long right now during the busy season.

Made in the USA

Contact us:

Any questions? Send us an email at, and we'll help you out!


Click images to enlarge


Ultraight Cuben Bug Bivy


Ultralight Cuben Bug Bivy


Cuben Bug Bivy Setup


Bivy Zipper Options