Avid 21 Magnum T-Top Boat Cover & Canvas

Avid 21 Magnum Specifications

• Length Overall (LOA): 21' (20'7" hull)
• Beam: 101" (8'5")
• Dry Weight: ~1,522 lbs
• Engine: Single outboard, max 200 HP
• Fuel Capacity: 45 gallons
• Draft: ~11"
• Hull Type: Aluminum — 5052 Marine Grade Alloy (0.125"), ProMaster™ pad hull, 13° deadrise

Cover Features

• Fabric Options: 9oz solution-dyed marine fabric or premium Sunbrella acrylic
• Coverage Type: T-Top cover wraps hull below hardtop; hardtop remains exposed
• Construction: Reinforced stitching, hem cord at rubrail, adjustable tie-down straps
• Durability: Solution-dyed fabric (5-7 years); Sunbrella acrylic (8-10 years)
• Fit: Custom-fitted to 21' Avid 21 Magnum specifications
• Protection: UV-resistant, water-repellent, weatherproof

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Description

Install

Please watch the video below for installation instructions!

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Frequently Asked Questions

What fabric is the Avid 21 Magnum T-Top cover made from?+

Our Avid 21 Magnum T-Top cover is crafted from 9oz solution-dyed marine fabric as the standard option, engineered for 5-7 years of UV and weather resistance. We also offer a 7oz lighter-weight option and a premium Sunbrella acrylic upgrade rated for 8-10 years. All fabrics are solution-dyed for colorfast performance that won’t fade in harsh marine conditions.

Does this cover fit around the T-Top on my Avid 21 Magnum?+

Yes. This cover is pattern-cut specifically for the Avid 21 Magnum’s T-Top frame. Reinforced cutouts wrap cleanly around each T-Top leg while the cover drapes over the hull, console, leaning post, and gunwales below. The hardtop itself remains exposed.

How do I install the cover on my Avid 21 Magnum?+

Installation takes under five minutes and can be done solo. Simply drape the cover over the boat from bow to stern, align the T-Top cutouts with the frame legs, and secure using the strap-and-buckle system. The hem cord seats into the rubrail channel for a snug, wind-resistant fit.

Can I trailer my Avid 21 Magnum with this T-Top cover installed?+

Absolutely. The cover is reinforced at all stress points and designed for highway-speed trailering. The strap-and-buckle system and hem cord keep the cover secure during transit, protecting your 21 Magnum from road debris, bugs, and weather during transport.

Will this cover protect my electronics and upholstery on the Avid 21 Magnum?+

Yes. The cover creates a complete barrier over the Avid 21 Magnum’s console-mounted electronics, the 5-drawer tackle station, leaning post, and all upholstered surfaces. The water-repellent, UV-resistant fabric blocks sun damage, rain, bird droppings, and airborne contaminants.

What warranty comes with the Avid 21 Magnum T-Top cover?+

Every Avid 21 Magnum T-Top cover includes a 2-year manufacturer warranty covering defects in materials and workmanship. The solution-dyed fabric is rated for 5-7 years of service life, and the Sunbrella upgrade extends that to 8-10 years.

Is the Avid 21 Magnum T-Top cover water-resistant or waterproof?+

The cover is water-resistant with a durable water repellent (DWR) finish that causes rain and spray to bead and roll off. It is intentionally breathable rather than fully waterproof, which prevents moisture and mildew buildup underneath the cover — critical for protecting aluminum boats from corrosion.

Does this cover fit all model years of the Avid 21 Magnum?+

Yes. This cover is designed to fit the Avid 21 Magnum across standard production years with the factory T-Top configuration. If your boat has significant aftermarket modifications to the T-Top frame or console layout, contact us and we can confirm fitment.

What color options are available for the Avid 21 Magnum T-Top cover?+

The 9oz solution-dyed fabric is available in Navy, Black, and Charcoal. The premium Sunbrella acrylic offers an expanded color palette. Select your preferred color during checkout using the fabric configurator on this page.

Is shipping free on the Avid 21 Magnum T-Top cover?+

Yes. Every Avid 21 Magnum T-Top cover ships free via standard shipping to the continental United States. Orders typically ship within 1-2 business days. Expedited shipping options are available at checkout.

• *Materials

  • 9oz7ozSunbrella

  *Fabric & Colors

  • -select-Navy - 5yr WarrantyBlack- 5yr Warranty

  *Fabric & Colors

  • -select-Black- 3yr Warranty

  *Fabric & Colors

  • -select-Marine Blue - 6yr WarrantyBlack- 6yr WarrantySmoke- 6yr Warranty

• Cover Option

  Boat Option

  *Year

  • -select-20252024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000

  *How is your boat stored?

  • -select-TrailerLiftDry StackJet DockIn WaterSea PenOther (Please provide a description in the box at the bottom of order page.)

  *Zipper Access Side

  

  Port & Starboard Side Please select a port or starboard side zipper entry for your cover. The zipper entry will be located in-line with the helm seat.

  • -select-Port SideStarboard SideCenter Rear(Catamaran Only)

  *T-Top Type

  Hard top

  Hard top with aft support bars

  Lace On Canvas Top

  Key West Style Top

  Other

  • -select-Hard TopHard Top with Aft Support BarsCanvas TopKey West Style TopOther (Please provide a description in the box at the bottom of order page.)

  *Boat Style

  Center console

  Dual console

  Walk around

  Other (explain in aftermarket)

  • -select-Center ConsoleDual ConsoleWalkaroundCenter Console CatamaranDual Console CatamaranOther (Please provide a description in the box at the bottom of order page.)

  You have selected "Sea Pen" as your storage option. Please call our office at 843-760-6101 to place your order.

  Key West Style Top is not exclusive to Key West Boats.

  Aft Support Bars

  Does your t-top have aft support bars?

  

  * 

  • Yes
  • No

  Jet Dock Storage

  Our Covers are designed to fit best with the motors trimmed down. By choosing Jet Dock as a storage option, you're agreeing to modify your cover further if the fit at the motors isn't as desired.

   

  * 

  • I Acknowledge

  In Water Storage

  Our covers are not designed for In Water use. Selecting this option is acknowledging that you will have to take the cover to a local canvas shop for modification and will void your warranty. We recommend our Center Console Curtain as a solution for In Water Storage.

   

  * 

  • I Acknowledge

  Motor Option

  Bow Option

  *Motors

  • -select-Single EngineTwin EnginesTriple EnginesQuadruple EnginesOther (Please provide a description in the box at the bottom of order page.)

  *Bow Rails

  No Bow Rail

  Low Bow Rail (Less than 8")

  Reccessed Bow Rail

  High Bow Rail (More than 9")

  Walkthrough Bow Rail

  Other

  • -select-No RailsRecessedLow - 8" or lessHigh - 9" or moreWalkthroughOther (Please provide a description in the box at the bottom of order page.)

  *Make

  • -select-EvinrudeHondaJohnsonMercuryMercury VeradosSuzukiYamahaYamaha VMAX & SHOOther (Please provide a description in the box at the bottom of order page.)

  *Trolling Motor

  • -select-YesNoRemovable

  *Motor Size

  • -select-90 HP115 HP135 HP140 HP150 HP175 HP200 HP225 HP250 HP300 HP350 HP400 HP425 HP450 HP557 HPOther (Please provide a description in the box at the bottom of order page.)

  *Bow Accessories

  No Bow Accessories

  Bow Roller

  Through Hull Anchor

  Bow Pulpit

  Other

  • -select-NoneBow RollerThru Hull AnchorBow PulpitOther (Please provide a description in the box at the bottom of order page.)

  *Has your boat been re-powered?

  A re-powered motor means the motor has been upgraded or there has been a change in the motor style from the original factory motor

  • -select-YesNo

  *What Year Did You Re-power Your Motor?

  • -select-2024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000

  There is a variety of different style trolling motors. For this reason, trolling motor patterns are not available. You must remove trolling motor for cover to fit.

  * 

  *I will remove trolling motor selection will be filled

  • I AGREE TO REMOVE TROLLING MOTOR

  Additional Option

  *Ski/Tow Bar

  I do not have a ski or tow bar.

  My bar is over the top of the engine.

  My bar is in front of the engine.

  Other

  • -select-NoneOver the top of the engineIn front of the engineOther (Please provide a description in the box at the bottom of order page.)

  *Jack Plate

  

  If you have a jack plate, please choose which size.

  • -select-None4 inch6 inch8 inch10 inch12 inch14 inch

  *Power Poles

  Motor Bracket Mount

  Transom Mount

   

   

  Other

  • -select-NonePort Side Engine Bracket MountStarboard Side Engine Bracket MountDual Engine Bracket MountPort Side Transom MountStarboard Side Transom MountDual Transom MountOther (Please provide a description in the box at the bottom of order page.)

  You have selected Powerpoles as an option. Measurements are needed in order to process your order. Please click the link below, fill in the measurements and send back to design@perfectfitboatcovers.com in order to fully process your order. Please include your name in the subject line. Power Pole Measurement Form 

  If you have selected "Other" for any answers, please enter description below. Please List Any After Market Products That May Affect the Fit Of The Cover to include if you have a Raptor or Talon Powerpole.

Avid 21 Magnum T-Top Boat Cover & Canvas quantity

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Avid 21 Magnum T-Top Boat Cover — ProMaster Hull Protection for Serious Anglers

The Avid 21 Magnum packs serious fishing capability into a 21-foot aluminum platform built in Amory, Mississippi. With a ProMaster™ pad hull delivering 13° of deadrise at the transom and 45° at the entry, this 1,522-pound center console handles up to 200 HP while keeping draft at just 11 inches for skinny-water access. Our custom-fitted T-Top cover protects every inch of this purpose-built fishing machine, from the TruTaper™ gunnels with Versatrac rail system to the free-standing leaning post and 5-drawer tackle station. Browse the full Avid boat covers collection to see all available options for your rig.

Pattern-Cut for the Magnum’s Fishing Layout

This cover wraps precisely around the 21 Magnum’s T-Top legs and center console, accounting for the 101-inch beam and 27-inch side height. The pattern accommodates the dual lockable rod lockers with cushioned liners, the 21-gallon aft livewell, the 12-gallon in-console baitwell, and the 100-quart insulated fish box. Installation takes under five minutes solo with the strap-and-buckle system, and the reinforced hem cord seats firmly at the rubrail. The cover trailers securely at highway speed, so you can protect your Avid 21 Mag center console boat cover investment whether stored or in transit.

Marine-Grade Fabric Built for Aluminum Tough

Choose from 9oz solution-dyed marine fabric rated for 5–7 years of UV and weather resistance, or upgrade to premium Sunbrella acrylic for 8–10 years of protection. Both options are water-repellent, mildew-resistant, and breathable to prevent moisture buildup under the cover. Double-stitched seams and reinforced stress points match the Magnum’s rugged 5052 marine-grade aluminum construction. Every cover ships with a 2-year manufacturer warranty and free standard shipping. If you fish from an Avid Fusion, check out the Avid 21 Fusion center console cover for the same quality protection on that platform.