Sigma II Photo: United Parachute TechnologiesManufacturerUnited Parachute TechnologiesCategoryTandemProduction statusIn productionDisciplinesTandemAlso known asSigma 2, Sigma TandemVisit the manufacturer’s pageSpecificationsMARDSkyhook (standard)[1]RSLYes[1]SizesSizeMain canopy sizes (standard)Reserve canopy sizes (standard)Sigma II 11270–310 sq ft (25.1–28.8 m²)[1]340 sq ft (31.6 m²)[1]Sigma II 12340 sq ft (31.6 m²)[1]340–370 sq ft (31.6–34.4 m²)[1]Sigma II 13370–395 sq ft (34.4–36.7 m²)[1]370 sq ft (34.4 m²)[1]PricesList price (US): USD 6,250 — observed 2026-10-30[2]Indicative prices from the manufacturer or dealers on the date shown; check the current price with the seller.SourcesSigma II product page — United Parachute Technologies, accessed 2026-10-30UPT Sigma price list 006 rev. 64.6 — United Parachute Technologies, accessed 2026-10-30Last verified 2026-10-30. Compiled from manufacturer publications for education only. Always confirm with the manufacturer, your rigger and your instructor before buying or jumping any equipment.