Dyneema Composite is one of the lightest fabrics for its weight and strength, however, it is not that strong after sewing production. This year, SUL series change to no-sew technique and bonded packs by exclusive double-sided tape. There are no needle holes on the full pack. New STEAM is light and thin as a piece of paper, ideal for summiting and carrying. 

Easy to carry and can be folded into small pieces, It is no burden while usage.

Several different functions in one pack - a summit pack, a drawstring daypack, a waterproof sitting ground sheet, a stuff sack in your backpack, and a pillow (with some clothes inside), etc...

-----Below is OLD STEAM SUMMIT PACK Before 2018------
A rare drawstring pack using the premium outdoor gear material- Cuben Fiber (CTF3) as main fabric. The appearance of STEAM pack is like a piece of paper and it can easily be folded and stored anywhere. It can be used in several different ways.

STEAM weighs 45g and can carry up to 12L. It can contain all the basic gear for a summit. The draw string shoulder strap is using 2.5mm Dyneema cord which is lightweight but tough.

A removable lid on the closure which enhances the water repellancy. 

Appropriate reinforcement patch and stitching are used in key areas of the bag. The unusual texture of CTF3 provides STEAM an eye-catching appearance.