Click the product image on any page to explore every option:
available colors, exact sizing, care instructions, shipping details, and the 30‑day return policy—all backed by Montana Kid quality.
Whether you’re still in diapers or driving the damn truck, Lil’ Grump hits different.
This isn’t about size—it’s about attitude. About that glare that says “I’ve had enough” before your coffee hits the table… or your juice box is even cold.

👶🏽 For the littles who come out frowning.
🧢 For the grown-ups still throwing side-eye with flair.

Bold graphics. Savage comfort.
From tantrums to traffic jams, Grump lives loud in all sizes.
 Lil' Grump Hoodie - Adult - Unisex

Lil' Grump Hoodie - Unisex - $32.00

Who says the sass stops with age? This Gildan hoodie is soft AF, savage and loud where it counts.
🔥 Cozy inside, bold outside—comfort with a bite
🐾 Clean fit, full attitude—because chill’s overrated
💥 For adults who sip first, snap later

Less talk. More grump. Wear it like you mean it. 😏💣

 Lil’ Grump Wild & Free Crop Tee – Adult

Lil’ Grump Wild & Free Crop Tee – Adult - $19.00

Cut Short, Drippin’ Bold 😈🔥
This isn’t just cropped—it’s cropped with intent. Light, flirty, and feral, it rides that line between soft and savage.
💥 Preshrunk & built for mischief
🌞 Breezy AF—perfect for desert heat or rooftop sin
💅 Drop shoulder + just enough tease = all eyes on you

Throw it on. Let it ride. And show 'em cute comes with claws. 🐾💋

 Lil' Grump Tee – Adult - Unisex

Lil' Grump Tee – Adult - Unisex - $18.00

Adult Edition 🐾🔥
Grown? Sure. Tamed? Never. This Bella+Canvas tee brings that same Lil’ Grump bite—just louder.
🔥 Buttery-soft feel with big energy
🐾 For the bold, the bratty, and the unbothered
💪 Unisex fit that flexes with your vibe

Wear the warning. Serve the attitude. Grump on. 😈💥

 Lil’ Grump Tank – Adult - Unisex

Lil’ Grump Tank – Adult - Unisex - $17.00

Drip Loud. Flex Hard. 😈🔥
This tank doesn’t whisper—it smirks. With clean cuts and flirty flex, the Lil’ Grump drop brings that all-eyes-on-you vibe.
💥 Soft, breathable jersey = tease 'em with comfort
🔥 Cut to flatter, built to stir
💣 Wear it loud, rock it raw, leave 'em staring
Because confidence isn’t optional—it’s the whole damn look. 😏🐾

 Lil' Grump Racerback Tank - Adult

Lil' Grump Racerback Tank - Adult - $15.50

Sass in the Wild 😈🔥
For the baddies with bite and zero chill. This Grumpy Grizzly tank brings soft heat, bold curves, and main character energy on lock.
💋 Scoop neck, racerback freedom = effortless slay
🔥 Lightweight + loud = sass that moves
🐾 From trail to tequila, it keeps up—barely
Cute? Sure. Quiet? Never. Let the wild speak for itself. 💣💃🐻

Lil’ Grump Collection – Small Stature. Big Sass.

Lil' Grump Onesie

Lil' Grump Onesie - $14.00

Built for Chaos, Styled for Sass 🐾🍼
Start ’em young, start ’em wild. This Rabbit Skins bodysuit is soft, durable, and ready for meltdowns in style.
💢 Comfy cotton blend to keep up
🔒 Easy-snap closure for fast changes
👶 Ribbed seams = built for wiggly rebels
Because every legend starts in diapers. 😤💥

 Lil' Grump Tee - Littles'

Lil' Grump Tee - Littles' - $13.00

Built for Big Energy in Small Packages 🔥🍼
This Bella+Canvas toddler tee brings soft comfort and rebel vibes to every wild step. Perfect for snuggles, scuffles, and snack-time standoffs.
💪 Super soft & tough
🎨 Bold colors, bold moods
🚀 All-day comfort for nonstop chaos
Tiny tee. Big attitude. 🐾💥

 Lil' Grump Hoodie - Littles'

Lil' Grump Hoodie - Littles' - $27.00

Built for Chaos, Wrapped in Comfort 🐻🔥❄️
This Rabbit Skins classic brings warmth, durability, and big rebel energy to every wild adventure. From snowbanks to snack breaks, it's toddler-tested + tantrum-approved.
💪 Soft, rugged, and ready to roll
🧤 Jersey-lined hood + side pockets = all-day utility
❄️ Made for muddy trails, couch forts, and tiny legends
Let your Lil’ Grump run wild—this hoodie’s got their back. 😈🛝

 Lil’ Grump Tee - Kids'

Lil’ Grump Tee - Kids' - $14.00

Built for Chaos, Styled for Swagger 🐾🔥
This 100% cotton tee brings bold comfort for wild hearts. With twill-taped shoulders, a ribbed collar, and zero side seams, it’s toddler-tested and tantrum-approved.
💪 Soft, durable, and made for full-send play
💥 Zero seams = max comfort for movers and shakers
🔥 Lil’ Grump logo ready to roar on every adventure
Because raising hell should always look this good. 😈💫

 Lil' Grump Tee - Youth

Lil' Grump Tee - Youth - $15.00

Chaos-Ready, Sass-Approved 🐾🔥
For bold kids with big energy, this 100% cotton tee brings all-day comfort with zero side seams and serious Lil’ Grump swagger.
💥 Tough for chaos, soft for chill
💪 Ribbed collar + taped shoulders = long-lasting drip
🔥 Made to rep wild personalities loud and proud
Let ’em raise hell, raise eyebrows, and rock it with style. 😈💫

 Lil' Grump - iPhone Case

Lil' Grump - iPhone Case - $19.00

Tiny Claws, Big Protection 🐾📱
This MagSafe®-compatible case from the Grumpy Grizzly Edition™ brings full-grown defense with Lil’ Grump attitude. Fits iPhone 14, 15, and 16 with shock-absorbing corners, rugged polycarbonate + TPU, and built-in sass.
💢 Wild-proof drop protection
🔗 MagSafe® + charm/strap slots
🐻 Lil’ Grump logo = fierce flex
Big energy. Pocket-sized chaos. 📲

 Lil' Grump Plushie

Lil' Grump Plushie - $18.00

Tiny, Fierce, & Ready to Cuddle 🐾🧸
Snuggly with a side of sass, this plush rocks the Lil’ Grump logo and big attitude in a pint-sized package.
🧸 Choose your sidekick – Bear, Bunny, Elephant, or Sheep
🌟 Montana Kid tee = plushie drip unlocked
💤 Perfect for naps, road trips, and toddler tantrums
Cuddles incoming… but make it grumpy. 😤💥

 Lil' Grump Mug (15oz)

Lil' Grump Mug (15oz) - $13.00

Sip Small, Growl Loud 🐾☕💢
Start the day with a scowl and a side of sass. This 15oz ceramic mug from the Grumpy Grizzly Edition™ brings bold vibes for every mini meltdown—and now you can personalize up to 74 characters for that extra bite.
💢 Low-maintenance: microwave & dishwasher safe
🔥 Black finish, mean mug energy
🐻 Perfect for cocoa storms, AM chaos, or grumpy giggles
One sip and the world’s on notice. 😤☕

 Lil’ Grump Badge

Lil’ Grump Badge - $4.50

Tiny Claws, Big Bite 🐾🔥
Don’t sleep on the small stuff—this sticker brings major attitude. Built for bold lil’ legends, it's weatherproof, durable, and fierce AF.
💢 Scratch-proof + tantrum-tested
🌧️ Rain, snow, or spills? It’s unbothered
🐻 Packs pint-sized punch on every surface
Stick it loud, stick it proud—Lil’ Grump never plays small. 😈💥

Grumpy Grizzly Collection – Built Different. 🐻🔥
This ain't about Montana.
This ain’t about cities.
It’s about fire in your gut and no apologies on your lips.

Grumpy Grizzlies are born wild,
raised loud, and never tamed—
whether you're running trails or tearing up streets.

Wear the growl. Own the space. Stay untamed.

 Grumpy Grizzly Hoodie

Grumpy Grizzly Hoodie - Unisex - $32.00

Cozy as Hell, Mean on Style 🐻
Soft inside, savage outside. Part of the Grumpy Grizzly Edition by Montana Kid, Gildan Hoodie delivers wild comfort with unapologetic edge.
🔥 Super-soft fleece that feels like a hug but hits like a warning
🐾 Versatile enough for jeans, leggings, or a wild streak
🎁 Makes a killer gift—if you can part with it

Pull it on. Flex the chill. Let the Grizzly loose. 😏🏔️🖤

Buck Wild Boxer Brief - Grumpy Grizzly Edition

Buck Wild Boxer Brief - Grumpy Grizzly Edition - $23.00

Built to flex, made to tease, and guaranteed to misbehave.
💪 Regular fit for all-day, all-night moves
🔥 No-scratch printed label—no excuses
🌲 Bed-wreckin’ approved for the wild ones
Soft enough to tempt. Tough enough to survive.

Wild enough to hit the floor fast. 😏💥🛏️

 Grumpy Grizzly Tee – Unisex

Grumpy Grizzly Tee – Unisex - $18.00

Bold, Unapologetic, Untamed Tee 🐻🔥
No fluff, no filters—just pure attitude. Designed by Montana Kid on buttery-soft Bella+Canvas, this tee brings grizzly-level swagger for those who don’t back down.
🔥 Lightweight, breathable, made for legends
🐾 Bold, fearless, and built to turn heads
💪 Unisex fit—because badassery isn’t gendered

Own the wild. Rule the streets. Stay untamed. 😏🏔️

 Grumpy Grizzly Tank – Unisex

Grumpy Grizzly Tank – Unisex - $17.00

Wild, Unfiltered, Unapologetic – Tank by Montana Kid 🐻🔥
Built for the bold, this Bella+Canvas tank lets you run wild without asking permission. Lightweight, breathable, and dripping with Grumpy Grizzly attitude.
🔥 Moves with you, never against
🐾 Laid-back fit, full send energy
💪 Unisex & badass-approved

Throw it on. Own the moment. Play nice? Never heard of it. 😏🔥

Grumpy Grizzly - Women’s Racerback Tank

Grumpy Grizzly - Women’s Racerback Tank - $15.50

Wild, Free & Feelin’ Fierce Tank 🐻🔥
Lightweight, breathable, and built for badassery. Part of the Grumpy Grizzly Edition, this racerback tank flexes with your vibe—wild hikes, sweaty workouts, or chill hangs.
💥 Soft, all-day slay fabric
🐾 Pairs with anything built for movement
🌿 For queens who roam loud and proud

Throw it on and let your Grizzly roar. 😏🔥💪

Grumpy Grizzly Water Bottle (32oz)

Grumpy Grizzly Water Bottle (32oz) - $35.00

Sip Bold or Stay Home 🐻💧🔥
This 32oz Polar Camel bottle isn’t for the faint of thirst. With double-wall insulation and savage style, it keeps your fuel icy for 24 or hot for 12—no excuses.
💥 Built tough, BPA-free, and drama-proof
🌀 Twist-on lid = no spills, just attitude
🔥 Full send hydration, Grumpy Grizzly style

Carry chaos. Sip savage. Stay wild. 😤💣

Grumpy Grizzly Throw Pillow

Grumpy Grizzly Throw Pillow - $22.00

Cozy Comfort, Savage Vibes 🐻🔥
Not just a pillow—a full attitude upgrade. Crafted with a 100% faux suede cover and a plush polyester pillow insert (included!), it’s rugged, luxe, and unapologetically grumpy.
💢 Snarl-level sass for your couch or bed
🐾 Tough, cozy, and Grizzly-approved
🧵 Hidden zipper, clean lines, no drama

Kick back, judge silently, and let Grumpy guard your chill zone. 💣🐾

Grumpy Grizzly Mug (15oz)

Grumpy Grizzly Mug (15oz) - $13.00

Sip It... Before You Snap 🐾☕💢
This 15oz mug from the Grumpy Grizzly Edition™ brings full-blown attitude to your morning ritual. Sleek, bold, and now customizable with up to 74 characters, it’s made for grumps who don’t do small talk pre-coffee.
💢 Microwave + dishwasher safe
🔥 Built to last, made to growl
✍️ Personalize it with savage saying

Sip hard. Snap later. 😤💥

 Frosted Flirt Pint: Grumpy Grizzly Edition

Frosted Flirt Pint: Grumpy Grizzly Edition - $10.00

Hold 16oz of wild with this frosted matte pint glass—bold, untamed, and impossible to ignore.
🍻 Built for brews, cocktails, or pure attitude
🔥 Dishwasher-safe & BPA-free for easy living
🏔️ Adventure, attitude, and a damn good drink

Pour it up, flex the vibe, and let the good times roar. 😏🥃

 Grumpy Grizzly Badge

Grumpy Grizzly Badge - $4.50

Stick Your Attitude 🐻🔥
Slap some raw, untamed energy wherever you roam. Water-resistant, scratch-proof, and built for the wild.

💀 Tough as hell—no fading, no peeling
💦 Weatherproof and adventure-ready
🔥 Bold, loud, and Grizzly-approved

One ain't enough. Stack 'em up and roll savage. 😏🐾🏔️