Skip to content
First Cast Fishing
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green9 photos
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 2 of 9
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 3 of 9
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 4 of 9
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 5 of 9
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 6 of 9
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 7 of 9
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 8 of 9
  • Calamus Bastion Braided Line, 20 lb, 600 yd, Grass Green, photo 9 of 9

Quick take

A braided superline with aggressive diamond weave, zero stretch, and excellent casting, available in multiple weights.

Best for

  • Casting around heavy cover and rocks
  • Saltwater fishing in strong current
  • Detecting bottom strikes and nibbles

Skip if

  • You fish clear shallow water; braid is visible
  • You prefer monofilament knots

Strengths

  • Zero stretch for solid hook sets and bite detection
  • Thin diameter and smooth finish for long casts
  • Abrasion-resistant diamond weave holds on structure

Trade-offs

  • Highly visible in clear water
  • Requires specialized knots and leader

Fishing fit

Water
  • Freshwater
  • Saltwater

How to choose a color and size

Color

Colors and when to pick them
OptionsWhen to pick itConditions
X4-Grass Green, X4-Moss Green, X8-Moss GreenThis oneA low-visibility tint for clear to stained water.
  • Clear
  • Stained
X4-Pink, X4-YellowEasy to watch when you read bites from the line, most of all in low light.
  • Stained
  • Overcast
  • Low light
X4-Black, X4-BlueShows less against shadowy bottoms and in stained water.
  • Stained

Size

Sizes and when to pick them
OptionsWhen to pick itConditions
6 LB - 150 Yds, 6 LB - 300 Yds, 8 LB - 150 Yds, 8 LB - 300 Yds, 10 LB - 150 Yds, 10 LB - 300 Yds, 10 LB - 600 YdsAn all-round test for bass and walleye on medium spinning gear.
  • Bass
  • Walleye
15 LB - 150 Yds, 15 LB - 300 Yds, 15 LB - 600 Yds, 20 LB - 150 Yds, 20 LB - 300 Yds, 20 LB - 600 YdsThis oneHeavier test for cover, bigger baits and pike.
  • Bass
  • Pike & musky
  • Grass
  • Wood
30 LB - 150 Yds, 30 LB - 300 Yds, 30 LB - 600 Yds, 40 LB - 150 Yds, 40 LB - 300 Yds, 40 LB - 600 Yds, 50 LB - 150 Yds, 50 LB - 300 Yds, 50 LB - 600 Yds, 65 LB - 150 Yds, 65 LB - 300 Yds, 65 LB - 600 Yds and 2 moreHeavy line for thick cover, big fish and saltwater.
  • Pike & musky
  • Striped bass
  • Redfish
  • Grass
  • Docks

Which one should I pick?

Versions of this product on this site
VersionColorSuits
Calamus Bastion Braided Line, 80 lb, 300 yd, BlueColor:X4-BlueSuits:—
Calamus Bastion Braided Line, 20 lb, 600 yd, Grass GreenColor:X4-Grass GreenSuits:—
Calamus Bastion Braided Line, 20 lb, 300 YardsColor:X4-Grass GreenSuits:—

Updated