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Perfect Pima Relaxed Crew Neck T-Shirt White

Perfect Pima Relaxed Crew Neck T-Shirt White

Color: WHITE

$36.00 USD

Layers Classic Ribbed Fitted Tank White

Layers Classic Ribbed Fitted Tank White

Color: WHITE

$24.00 USD $32.00 USD
Hand Me Down Crew Neck T-Shirt Smoke Heather

Hand Me Down Crew Neck T-Shirt Smoke Heather

Color: SMOKE HEATHER

$33.75 USD $45.00 USD
High Twist Summer Crew Neck T-Shirt Black

High Twist Summer Crew Neck T-Shirt Black

Color: BLACK

$40.00 USD

Layers Slim Crew Neck T-Shirt Black

Layers Slim Crew Neck T-Shirt Black

Color: BLACK

$30.00 USD $40.00 USD
Layers Slim Crew Neck T-Shirt White

Layers Slim Crew Neck T-Shirt White

Color: WHITE

$30.00 USD $40.00 USD

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30% OFF SITEWIDE

Father's Day Sale

SHOP sale
Hand Me Down Runner Boxer Bowen Blue Heather
Sale

Hand Me Down Runner Boxer Bowen Blue Heather

$22.10 USD $34.00 USD
Core Runner Boxer Geoff Green
Sale

Core Runner Boxer Geoff Green

$18.85 USD $29.00 USD
Hand Me Down Runner Boxer Kai Khaki Heather
Sale

Hand Me Down Runner Boxer Kai Khaki Heather

$17.00 USD $34.00 USD
Hand Me Down Runner Boxer Smoke Heather
Sale

Hand Me Down Runner Boxer Smoke Heather

$25.50 USD $34.00 USD
Core Runner Boxer Bond Blue
Sale

Core Runner Boxer Bond Blue

$18.85 USD $29.00 USD
Hand Me Down Runner Boxer Nixon Navy Heather
Sale

Hand Me Down Runner Boxer Nixon Navy Heather

$17.00 USD $34.00 USD
Core Runner Boxer Raj Red
Sale

Core Runner Boxer Raj Red

$18.85 USD $29.00 USD
Prime Runner Boxer Bahari Blue
Sale

Prime Runner Boxer Bahari Blue

$18.20 USD $28.00 USD
Hand Me Down Runner Boxer Penn Pink Heather
Sale

Hand Me Down Runner Boxer Penn Pink Heather

$22.10 USD $34.00 USD
Throwback Runner Boxer Pierre Pink
Sale

Throwback Runner Boxer Pierre Pink

$15.00 USD $30.00 USD
Hand Me Down Runner Boxer Coal Heather
Coal
Sale

Hand Me Down Runner Boxer Coal Heather

$17.00 USD $34.00 USD
Core Runner Boxer Kash Khaki
Sale

Core Runner Boxer Kash Khaki

$18.85 USD $29.00 USD
Minimal Runner Boxer Barry Blue
Sale

Minimal Runner Boxer Barry Blue

$20.80 USD $32.00 USD
Prime Runner Boxer Nabil Neutral
Sale

Prime Runner Boxer Nabil Neutral

$18.20 USD $28.00 USD
Core Runner Boxer Primo Pink
Sale

Core Runner Boxer Primo Pink

$18.85 USD $29.00 USD
Core Runner Boxer White
Sale

Core Runner Boxer White

$21.75 USD $29.00 USD
Hand Me Down Runner Boxer Remi Red Heather
Sale

Hand Me Down Runner Boxer Remi Red Heather

$22.10 USD $34.00 USD
Throwback Runner Boxer Parsa Pink
Sale

Throwback Runner Boxer Parsa Pink

$19.50 USD $30.00 USD
Core Runner Boxer Geir Green
Sale

Core Runner Boxer Geir Green

$18.85 USD $29.00 USD
Minimal Runner Boxer Pavle Pink
Sale

Minimal Runner Boxer Pavle Pink

$20.80 USD $32.00 USD
Prime Runner Boxer Garo Green
Sale

Prime Runner Boxer Garo Green

$18.20 USD $28.00 USD
Minimal Runner Boxer Boone Brown
Sale

Minimal Runner Boxer Boone Brown

$20.80 USD $32.00 USD
Minimal Runner Boxer Bobby Blue
Sale

Minimal Runner Boxer Bobby Blue

$20.80 USD $32.00 USD
Hand Me Down Runner Boxer Noah Navy
Sale

Hand Me Down Runner Boxer Noah Navy

$17.00 USD $34.00 USD
Super Bright Runner Boxer Palmer Pink
Sale

Super Bright Runner Boxer Palmer Pink

$15.00 USD $30.00 USD
Hand Me Down Runner Boxer Greko Green
Sale

Hand Me Down Runner Boxer Greko Green

$30.60 USD $34.00 USD
Jersey Fly Front Boxer Black

Jersey Fly Front Boxer Black

$35.00 USD
Super Bright Runner Boxer Banks Blue
Sale

Super Bright Runner Boxer Banks Blue

$15.00 USD $30.00 USD
Hand Me Down Runner Boxer Percey Purple Heather
Sale

Hand Me Down Runner Boxer Percey Purple Heather

$22.10 USD $34.00 USD
Super Bright Runner Boxer Gil Green
Sale

Super Bright Runner Boxer Gil Green

$15.00 USD $30.00 USD
Jersey Fly Front Boxer Beluga Grey

Jersey Fly Front Boxer Beluga Grey

$35.00 USD
Prime Runner Boxer Pelton Pink
Sale

Prime Runner Boxer Pelton Pink

$18.20 USD $28.00 USD
Minimal Runner Boxer Gad Green
Sale

Minimal Runner Boxer Gad Green

$20.80 USD $32.00 USD
Hand Me Down Runner Boxer Yash Yellow Heather
Sale

Hand Me Down Runner Boxer Yash Yellow Heather

$22.10 USD $34.00 USD
Core Runner Boxer Baako Blue
Sale

Core Runner Boxer Baako Blue

$26.10 USD $29.00 USD
Minimal Runner Boxer Odis Orange
Sale

Minimal Runner Boxer Odis Orange

$20.80 USD $32.00 USD
Core Runner Boxer Grey Heather
Sale

Core Runner Boxer Grey Heather

$21.75 USD $29.00 USD
Core Runner Boxer Yon Yellow
Sale

Core Runner Boxer Yon Yellow

$18.85 USD $29.00 USD
Hand Me Down Runner Boxer Glenston Grey
Sale

Hand Me Down Runner Boxer Glenston Grey

$30.60 USD $34.00 USD
Hand Me Down Runner Boxer Rhett Red
Sale

Hand Me Down Runner Boxer Rhett Red

$17.00 USD $34.00 USD
Core Runner Boxer Black
Sale

Core Runner Boxer Black

$21.75 USD $29.00 USD
Hand Me Down Runner Boxer Gordon Green Heather
Sale

Hand Me Down Runner Boxer Gordon Green Heather

$17.00 USD $34.00 USD
Throwback Runner Boxer Paden Purple
Sale

Throwback Runner Boxer Paden Purple

$19.50 USD $30.00 USD
Super Bright Runner Boxer Benicci Blue
Sale

Super Bright Runner Boxer Benicci Blue

$19.50 USD $30.00 USD
Jersey Fly Front Boxer White

Jersey Fly Front Boxer White

$35.00 USD
Core Runner Boxer Gunther Gray
Sale

Core Runner Boxer Gunther Gray

$14.50 USD $29.00 USD
Super Bright Runner Boxer Ollie Orange
Sale

Super Bright Runner Boxer Ollie Orange

$19.50 USD $30.00 USD
Hand Me Down Runner Boxer Pedro Pink Heather
Sale

Hand Me Down Runner Boxer Pedro Pink Heather

$17.00 USD $34.00 USD
Core Runner Boxer Padget Pink
Sale

Core Runner Boxer Padget Pink

$26.10 USD $29.00 USD
Throwback Runner Boxer Gus Green
Sale

Throwback Runner Boxer Gus Green

$15.00 USD $30.00 USD

30% OFF SITEWIDE APPLIED AT CHECKOUT

Start Earning Rewards Join the C-IN2 Circle

Free Shipping US orders over $99

Easy Returns Go to Returns Center

Engineered for movement. Built to last.

For nearly two decades, C-IN2 has redefined men’s underwear with premium materials, sculpted fits, and bold design. With over 100,000 customers and counting, our products deliver confidence from the inside out.

Ergonomic Contour Pouch

✅ Sculpted Lift – Natural shape and definition

✅ Locked-In Support – No shifting, no sagging

✅ Flexible Fit – Moves with you, always

✅ All-Day Comfort – For work, workouts, or rest

SHOP ACTIVE

Innovative Fabric Blends

✅ Designed for movement, made to be seen

✅ Fashion-forward with performance-grade functionality

✅ Precision blends that hold shape, color, and confidence

✅ Comfort that doesn’t compromise on style

SHOP FLEX

Everyday Durability

✅ Keeps its shape, wash after wash

✅ No sag, no bag, no fade

✅ Consistent support that doesn’t quit

✅ Quality construction made to outlast trends

shop core