In the realm of engineering, “Sigma” signifies a culmination or solution to challenges.

We proudly dubbed our latest tandem system Sigma II, embodying all we’ve learned about tandem equipment and its users. After extensive development and rigorous testing, the Sigma II Tandem system has emerged as our most robust and secure offering to date.

Your feedback guided us every step of the way. Featuring an exceptionally comfortable harness and an elevated free-fall position for instructors, alongside the student harness designed for maximum comfort—this setup is unmatched. With newly designed, military-grade ballistic leg pads, VGH articulating harness, retractable release handles, easy component replacement options, and our originally patented Disc Release system matched with the all new patented TB Pulley Release design—we’re setting new and even higher standards in safety and convenience.

Constructed for durability and fatigue reduction, the Sigma II feels more like a sport container than mere work gear.

For 24 years, the Sigma tandem system has set the standard for innovation while evolving the skydiving and aerospace industries. Exploring the limits of what is possible, UPT has meticulously upgraded every feature based on your needs and feedback along with over 6 years of testing and data from our military Tandem Heavy System developments. Safety, durability, and comfort are paramount, making it uniquely inspired by rigorous military and celestial conditions. Now with a sleek new design, the SIGMA II is ready to tackle even the most demanding environments.

MCS | MODULAR COMFORT SYSTEM.
Our newly designed "Optional" MCS Back Pad ensures maximum comfort and reduced fatigue for the tandem instructor. With Military testing input, we can confirm that the Sigma II Tandem System is ready to go to work. Experience enhanced ergonomic support with redesigned lumbar support and removable over shoulder comfort padding. This removable option is proven to reduce instructor fatigue and allows for easy maintenance.

ALD | ANTI-LINE DUMP MAIN D-BAG.
Our newly designed "Optional" Anti-Line Dump Main Deployment Bag evenly distributes line payout during deployment sequence. With significant HEAVY weight testing and packing analysis, we find this deployment bag to be an excellent enhancement reducing parachute wear and maximizing system protection.
Recommended for high elevation drop zones enduring high density altitude deployments.

The Sigma II comes in two different models, Sigma II 12 and Sigma II 13, as described below.

Sigma II 12 can hold the following parachutes. Main Canopy: Sigma 340. Reserve Canopy: SR370, SR340.

Sigma II 13 can hold the following parachutes. Main Canopy: Sigma 370, Sigma 395. Reserve Canopy: SR370, VR-360.

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