Scientific Anglers Mastery Grand Slam – Cold Fly Line

Built for Power in Cold Saltwater Conditions

The Scientific Anglers Mastery Grand Slam Cold fly line is designed for anglers chasing permit, tarpon, and bonefish in cooler climates or for those looking to fine-tune their saltwater casting before a tropical trip. Modeled after the acclaimed tropical Grand Slam taper, this coldwater version brings the same authority and accuracydelivering big flies into the wind and loading rods quickly, even when temperatures drop. A powerhouse taper built for speed and precision, this line is your ticket to saltwater success in any season.

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Key Features

• Coldwater ReadyBased on the proven Tropical Grand Slam, engineered to perform flawlessly in colder conditions

• Advanced Shooting Technology (AST)Provides slickness, reduced friction, and superior durability

• Powerful Head DesignShort, aggressive taper loads rods fast and makes quick, accurate shots at cruising fish

• Big Fly TurnoverCuts through the wind and delivers large saltwater patterns with ease

• Braided Multifilament CoreOffers strength and stability for consistent performance in challenging conditions

Style No.: SA MS GR SLAM COLD WF X F

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Technical Specs

Item Number Line Weight Head Length Total Length Head Weight Grain Weight 147576 WF-8-F 40.0 / 12.2m 100.0 / 30.5m 300gr / 19.4g 235gr / 15.2g 147583 WF-9-F 40.0 / 12.2m 100.0 / 30.5m 335gr / 21.7g 270gr / 17.5g 147590 WF-10-F 40.0 / 12.2m 100.0 / 30.5m 405gr / 26.2g 320gr / 20.7g 147606 WF-11-F 40.0 / 12.2m 100.0 / 30.5m 450gr / 29.2g 365gr / 23.6g 147613 WF-12-F 40.0 / 12.2m 100.0 / 30.5m 515gr / 33.3g 435gr / 28.2g

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Summary Box

• Product: Scientific Anglers Mastery Grand Slam Cold

• Purpose: Cold-weather saltwater line for permit, tarpon, and bonefish

• Technology: AST slickness + braided multifilament core

• Performance: Quick loading, wind-cutting taper for big flies

• Style No.:

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Scientific Anglers Mastery Grand Slam Cold delivers fast-loading power and wind-cutting precision for saltwater anglers fishing in colder conditions.