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C4 Waterman ISUP Inflatable Stand Up Paddleboard

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The C4 Waterman ISUP inflatable stand up paddleboard offers rigid stability with a soft touch that can take on fin-busting waters that aren't meant for composite boards.

  • Not only does the C4 Waterman ISUP handle like a dream, but it deflates and offers a great option for the traveling paddler
  • High air pressure creates a rigid hull without the use of frame parts; the performance is suited to surf, flatwater and whitewater applications
  • Military-grade PVC stands up to heavy use and UV light, and a high thread count creates a board that's 25% stiffer than previous models
  • Specialized stitching and coating process creates a board that can be inflated to 15 psi
  • 10 ft. 6 in. length turns responsively, making wave cruising easy; 29.5 in. width offers high stability and control
  • Based on the popular C4 C-Mac ATB, the ISUP features a high degree of rocker that promotes forward acceleration and surfing characteristics
  • Center fin and 2 side bite fins promote easy tracking
  • Includes carrying duffel with drawstring closure, patch kit and hand pump; approximate inflation time is 7 min.


Item 801158

An oversize shipping charge of $35 applies to this item (plus regular shipping fees). Or ship it FREE to any REI store for pickup. Please allow up to two weeks for delivery (except for inflatable and folding boats).
Important: Read more about shipping costs.

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C4 Waterman ISUP Inflatable Stand Up Paddleboard Specs
Best use
10 ft. 6 in
20.25 inches
29.5 inches
19.75 inches
4.5 inches
5 inches
Center + 2 side
195 liter
275 pounds
10.5 feet
22 pounds
Core material
Fin length
Fin box
Weight capacity (lbs)
Hull type
Length (ft.)

C4 Waterman ISUP Inflatable Stand Up Paddleboard

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