The Advance THETA ULS 23 is an ultra-lightweight, mid-B paraglider designed for “adventure touring,” specifically optimized for hike-and-fly and cross-country (XC) projects.
As the size 23 model, it is specifically downsized to provide optimum wing loading for lighter pilots.
Advance Theta ULS | Cross Country Magazine
THETA ULS paraglider :: ADVANCE – Grands Espaces
Size 23 Technical Specifications
Metric Specification
Certified Take-off Weight 65–85 kg
Ideal Weight Range 70–82 kg
Glider Weight 3.35 kg
Flat Surface Area 23.33 m²
Projected Surface Area 19.80 m²
Number of Cells 59
Aspect Ratio 5.41
Certification EN/LTF B
Key Features & Technology
ULS Technology: Standing for Ultra Lightweight Structure, it uses technology derived from the OMEGA ULS (X-Alps wing), including an extremely weight-optimized internal structure and Sliced Diagonals.
Hybrid Performance: It is marketed as combining the performance of the high-B IOTA DLS with the “feel-good” passive safety of the low-B EPSILON DLS.
Active Pitch Control: Equipped with a modern C-handle system that allows pilots to adjust the angle of attack in accelerated flight without deforming the wing profile.
Advanced Materials: Features Nitinol rods for shape retention and compactness, and unsheathed Edelrid Pro Dry lines that are 60% more water-repellent than previous generations.
Handling: Described by reviewers as having a “go-kart-like” feel with direct feedback and excellent climbing ability in thermals.
Pilot Requirements
The THETA ULS is intended for pilots who fly at least 40 hours per year and have experience in thermal flying. It requires active piloting, particularly when using the speed system and C-handles.
Advance Theta ULS 23
Advance Theta ULS 23

















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