ECOPAK™ ULTRA Collection
Challenge ULTRA™ is the highest performing line of UHMWPE composite fabric in the world.
UHMWPE (non-branded Dyneema® or Spectra®), gram-for-gram, is 15x stronger than steel. UHMWPE is naturally UV and water-resistant while being incredibly lightweight. Our woven ULTRA™ line ranging from 100d to 800d represents the new standard in lightweight and durability.
ULTRA 100
The Ultimate in Ultralight pack fabric – at less than 3oz, it has double the tear strength and almost double the abrasion resistance of 500d 8oz Cordura®!
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100d face Ultra-PE blended with high-tenacity polyester
0.5 mil RUV™ film backing
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Weight: 2.92 oz/yd² , 99 gsm
Width: 58 in , 147 cm
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Tear Strength - ATSM D2261
Warp: 69.4 lb , Fill 89.6 lb
Abrasion - ATSM 3884
3,600 Cycles
Waterproof
200+ PSI , 13.8+ Ba
ULTRA 100 Storm Grey
ULTRA 200
200d Ultra PE is woven and laminated to recycled, waterproof RUV film. At just 3.5oz/yd2, it far exceeds the technical properties of any similar weight fabric available on Planet Earth!
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200d face Ultra-PE blended with high-tenacity polyester
0.5 mil RUV™ film backing
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Weight: 3.5 oz/yd² , 119 gsm
Width: 58 in , 147 cm
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Tear Strength - ATSM D2261
Warp: 103.1 lb , Fill 133.2 lb
Abrasion - ATSM 3884
4,400 Cycles
Waterproof
200+ PSI , 13.8+ Ba
White Lightning
Silverado
Gravel Gray
Black Magic
ULTRA 400
400d Ultra PE (similar to Dyneema®) is about 20% lighter, with four times the abrasion resistance of other 400d U-PE fabrics. A great all-purpose high modulus pack fabric.
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400d face Ultra-PE blended with high-tenacity polyester
0.5 mil RUV™ film backing
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Weight: 4.65 oz/yd² , 158 gsm
Width: 58 in , 147 cm
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Tear Strength - ATSM D2261
Warp: 187.7 lb , Fill 161.1 lb
Abrasion - ATSM 3884
8,800 Cycles
Waterproof
200+ PSI , 13.8+ Ba
ULTRA 800
Doubling the denier of 400d gives ULTRA 800 the strength to go the distance in the most demanding packs and duffels.
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800d face Ultra-PE blended with high-tenacity polyester
0.5 mil RUV™ film backing
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Weight: 8.5 oz/yd² , 288 gsm
Width: 58 in , 147 cm
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Tear Strength - ATSM D2261
Warp: 250+ lb , Fill 250+ lb
Abrasion - ATSM 3884
16,000+ Cycles
Waterproof
200+ PSI , 13.8+ Ba
Black Magic
White Lightning
ULTRA 100 PSA
ULTRA 100 PSA takes our lightest and most advanced Ultraweave and applies fullwidth Pressure Sensitive Adhesive to the film side of the fabric.
With a base weight of 2.92oz, ULTRA 100 has double the tear strength and almost double the abrasion resistance of 500d 8oz Cordura®. Adding the PSA backing creates an incredibly versatile material that is ideal for:
Radial patches on tarp and sail corners
Reinforcement tape for high-stress seams and bartacks
Reinforcement patches for high-abrasion areas
Waterproof seam tape
Repair patches
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100d face Ultra-PE blended with high-tenacity polyester
0.5 mil RUV™ film backing
Pressure Sensitive Adhesive
Challenge Sailcloth release paper with metric grid
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ULTRA 100 Base Weight: 2.92 oz/yd² , 99 gsm
PSA Width: 57.5 in , 146 cm
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Tear Strength - ATSM D2261
Warp: 69.4 lb , Fill 89.6 lb
Abrasion - ATSM 3884
3,600 Cycles
Waterproof
200+ PSI , 13.8+ Ba
ULTRA 100 PSA - Woven Face
ULTRA 100 PSA - Release Paper with Metric Grid
ULTRA 100 PSA - Waterproof Seam Tape
ULTRA 100 PSA - Tarp Radial Patch
Pricing | Ex Works, Challenge USA
MOQ | 200 yards per style
Custom Color | MOQ & lead-time quoted upon request
Swatch Photos are physically 3”x3”
*Fabric colors may present differently on your monitor