The World’s BEST system for Instructor and Student just got EVEN BETTER!
SIGMA II
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.
ENHANCED
verb
intensify, increase, or further improve the quality, value, or extent of.
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.
Standard Features
Your brand new Sigma II (12 or 13) Tandem system comes loaded features, including: adjustable student harness, magnetic riser covers, adjustable and articulating container harness, double wide ballistic covered leg pads, retractable release handles, spectra reserve ripcord, reserve pin window, and our Skyhook RSL.
Note: All Sigma and Micro Sigma components are compatible with the Sigma II, excluding the reserve ripcord, RSL lanyard, cutaway handle, and recoil system.
Sigma II advantage

The redesigned yoke increases over the shoulder comfort and a +1 OSA standard allows for the sport style magnetic riser cover. Inspired by the Military TSVH and Vector3 sport harness and container system, the modified yoke provides for a cleaner appearance and aesthetic.
The All-New Patented TB Pulley ripcord design means a reduction in pull force for a clean and easy pull regardless of load. A diagram on the inside of the main pin flap allows for easy confirmation of the new drogue disc release system.
Drogue Pouch corners are angled for housing clearance and ease of replacement. Combined with a pleated designed drogue pouch, in field repairs will become easier. The new main disc cover and center flap designs provide for better protection and cleaner fit and finish.
The revised reserve tray design will reduce wrinkles in the packed container and the new Reserve Pin Cover window allows for quick AAD inspection.

MCS
Modular Comfort System
Enjoy breathable comfort with tailored shoulder and lumbar padding that alleviates fatigue and ensures a perfect fit.
The RSL, with its TRULOCK pin, is designed so that only a hard, straight up pull will cause a left side cutaway and reserve activation, greatly reducing the chance of an accidental functioning. Our RSL is designed to also function as a right-hand reserve ripcord, if the standard left hand reserve ripcord cannot be reached, because of injury or student interference.
A lengthened left side cutaway housing and improved handle locations/yoke structure adequately improve accessibility and function for emergency procedures.
Our redesign of the harness using RW-12 hip flat ring aids in proper harness alignment and maximum comfort. Accompanied by the all new VGH leg pads with an articulated design, creating a more direct drogue release routing configuration.
Military grade, ballistic material Leg Pads increase durability, comfort, reduce wear and feature an articulated shape. Improved drogue release housing protection and ergonomic handle location.
Available colors
Disclaimer:
*Due to color variances among monitors the colors that appear on your screen may not be exact. Please see your Dealer for color swatches.
*Kryptek Corduras (Mandrake, Highlander, Typhon and Raid) all have KRYPTEK logos “ghosted” in fabric that cannot be removed or replaced and are completely random within the pattern.