Polarized Sunglasses Under $40

Premium quality, polarized lenses, and prices under $40—what’s not to love? Knockaround sunglasses are built for any adventure without the hefty price tag. Snag a pair (or a few) and upgrade your shades game without breaking the bank!

176 products

4.8

Sunglasses with Tortoise Shell Arms and Orange Fronts With Polarized Amber Lenses, Flyover

Seventy Nines

+ More Colors

On The Rocks

$35.00

4.9

Last Call

Sunglasses with Glossy black fronts with rainbow accent at bottom, Progress Pride color swirl across arms Silver K-logos Polarized rainbow lenses

Premiums

+ More Colors

Rainbow on My Parade

$21.00 $35.00

40% OFF

4.9

Sunglasses with Black Frame and Polarized Fuchsia Lenses, Flyover

Paso Robles

+ More Colors

Midnight Snack

$35.00

4.9

Sunglasses with Blue, Red, and White Frames and Polarized Blue Moonshine Lenses, Flyover

Premiums

+ More Colors

Rocket Pop

$35.00

5.0

Sunglasses with Brown Frames and Polarized Gold Lenses, Flyover

Paso Robles

+ More Colors

Brookbed

$35.00

4.8

Sunglasses with Glossy Black Frames and Polarized Green Lenses, Flyover

Fort Knocks

+ More Colors

Creek Bed

$35.00

4.9

Sunglasses with Star Spangled frames and Polarized Blue Moonshine Lenses, Flyover

Torrey Pines

+ More Colors

Star Spangled

$35.00

4.7

Sunglasses with Glossy Blue Frames and Polarized Amber Lenses, Flyover

Fort Knocks

+ More Colors

Dockside

$35.00

4.9

Sunglasses with Loud and Proud Frames and Polarized Black Smoke Lenses, Flyover

Mai Tais

+ More Colors

Loud and Proud

$24.50 $35.00

30% OFF

5.0

Mary Janes

+ More Colors

Brookbed

$35.00

5.0

Sunglasses with Glossy Brown Frames and Polarized Gold Lenses, Flyover

Torrey Pines

+ More Colors

Riverbed

$35.00

4.6

Sunglasses with Matte Black Frames and Polarized Black Smoke Lenses, Flyover

Brightsides

+ More Colors

Black on Black

$35.00

5.0

Last Call

Deja Views

+ More Colors

Rainbow on My Parade

$21.00 $35.00

40% OFF

4.8

Sunglasses with Piano Black Frames and Polarized Black Smoke Lenses, Flyover

Songbirds

+ More Colors

Piano Black

$35.00

4.9

Sunglasses with Glossy Black Frames and Polarized Smoke Lenses, Flyover

Fast Lanes

+ More Colors

Obsidian

$35.00

5.0

Brooklines

+ More Colors

Glossy Black & Gold

$35.00

4.8

Sunglasses with Blue, White, and Red Frames and Polarized Moonshine Lenses, Flyover

Fort Knocks

+ More Colors

Rocket Pop

$35.00

4.7

Sunglasses with Coyote Calls Frames and Polarized Aviator Green Lenses, Flyover

Brightsides

+ More Colors

Coyote Calls

$35.00

4.8

Sunglasses with Tortoise Shell Fronts and Clear Amber Arms with Polarized Amber Lenses, Flyover

Songbirds

+ More Colors

Sonoma Dawn

$35.00

4.9

Sunglasses with Glossy Green Frames and Polarized Green Lenses, Flyover

Classics

+ More Colors

Coyote Calls

$28.00

4.9

Fort Knocks

+ More Colors

Obsidian

$35.00

4.9

Torrey Pines

+ More Colors

Coyote Calls

$35.00

5.0

Sunglasses with San Dune Frames and Polarized Green Lenses, Flyover

Fast Lanes

+ More Colors

Sandbar

$35.00

4.6

Sunglasses with Glossy Tortoise Shell Frames and Polarized Amber Lenses, Flyover

Brightsides

+ More Colors

Glossy Tortoise Shell / Amber

$35.00

4.9

Love & Haights

+ More Colors

Gold / Aviator Green

$35.00

5.0

Sunglasses with Rose Latte Frames and Polarized Amber Gradient Lenses, Flyover

Deja Views

+ More Colors

Rose Latte

$35.00

4.8

Fort Knocks

+ More Colors

Sandbar

$35.00

4.9

Sunglasses with Black Metal Frame and Polarized Black Smoke Lenses, Flyover

Mile Highs

+ More Colors

Black / Smoke

$35.00

High quality sunglasses for under $40 that won’t break the bank

Looking for stylish and durable sunglasses under $40? Knockaround has you covered with a wide range of options that blend fashion-forward design with top-tier protection—all for under $40. Whether you're drawn to our classic styles like Fast Lanes, Premiums, Fort Knocks, or Seventy Nines, or prefer the trendy vibe of Panoramas, Love & Haights, or Mai Tais, we have the perfect pair for you. Aviator fans will love the Mile Highs and Mount Evans, while athletes can rely on our sport styles like Premiums Sport and Torrey Pines Sport for a secure fit during any activity.

Each pair of Knockaround sunglasses features polarized, impact-resistant lenses that comply with FDA standards, offering full UV400 sun protection. Our affordable shades are not just about looks—they’re built to last, providing a durable, casual, and minimalistic accessory that complements any outfit. With Knockaround, you don’t have to compromise on style or quality when considering budget. Explore our collection of trendy sunglasses, all under $40, and find the perfect pair that matches your style.