The F2 Ultra was an ultralight version of the crux X2 Storm - a 4-pole, full-geodesic, mountain tent. The F2 Ultra was discontinued in 2015.

This was kept as one of two reference samples that is no longer required. The tent has never been used (outside of being pitched indoors).

Weight: 2.62 kg (complete with pegs, guys and packaging).
Flysheet: 30d nylon 6.6 ripstop, 5000 mm Si/Si coating
Colour: Wilderness green
Groundsheet: 50d nylon 6.6 ripstop, 5000 mm 3-pass PU-coating, taped seams
Inner canopy: 30d nylon 6.6 ripstop
Poles: 4 x 9.00 mm DAC Featherlite
Dimensions: 215 (L) x 120 (W) x 100 (H)
Porch: 105 cm
Packed size: 55 x 15 cm