Warms you up. Stays on *for the rest*.

The Baseline Long-Sleeve Tee

Warms you up. Stays on for the rest.

ShopPerformance TeesThe Baseline Long-Sleeve Tee

Model is 6'1" (185cm) in size M
The Baseline Long-Sleeve Tee in Onyx, front
Model is 6'2" (188cm) in size L
The Baseline Long-Sleeve Tee in Onyx, full length
The Baseline Long-Sleeve Tee in Onyx, close-up
The Baseline Long-Sleeve Tee in Onyx, back
The Baseline Long-Sleeve Tee in Onyx, flat lay, front
The Baseline Long-Sleeve Tee in Onyx, flat lay, back

The long-sleeve tee

The Baseline Long-Sleeve Tee

Lightweight and cut close to an athletic build. A 3D fabric finish dries faster between points, and an extended underarm gusset with laser-cut vents gives you room to serve, swing...

Designed for

  • Tennis
  • Training
  • Casual
$68
Color Deep Navy
Size S

In stock. Leaves the warehouse in 24h.

Free shipping. On orders over $75.

Free 30-day returns. No questions.

Need sizing help? Ask a product question

Laser-cut venting

Hundreds of small vents let heat out.

Full-swing gusset

Extended underarm gusset for every swing.

4-way stretch

82% polyester / 18% spandex, 160 gsm.

3D finish, faster drying

Dries faster between points.

Athletic fit. Trim through the body, free across the shoulders — room to rotate in, clean enough to wear untucked. Between sizes, size up. Model is 6'1", wearing M.

  • 82% polyester / 18% spandex, 160 gsm
  • Laser-cut venting
  • Full-swing gusset
  • 4-way stretch
  • 3D finish, faster drying
  • Odor control
  • Contrast panels and skin-friendly seams
  • Made in Vietnam
  • Body: 82% polyester / 18% spandex
  • Weight: 160 gsm
  • Made in Vietnam
  • Machine wash cold (30°)
  • Do not bleach
  • Do not iron
  • Do not tumble dry

Free shipping over $75. 30 days. No questions. Returns are on us within the US.

From the community

Worn in, written down

“Three sets in heat, then straight to dinner. Nobody would guess it had played a match.”
Marcus T. — Austin, plays 4×/week
“Two hours in open sun, no burn on my neck. That alone sold me.”
Priya S. — coach, outdoor courts
“Runs a touch trim, so I sized up. Moves on court, still looks sharp off it.”
Dan R. — club member
“Packed it for a work trip — warm-up in the morning, red-eye that night. Slept in it.”
Lena K. — travels most weeks
“I own it in three colors now. That’s the review.”
Sam O. — two years in
“Dries flat, no sweat marks. I stopped packing a second shirt.”
Tomas V. — weekend player

Two shirts, one shirt

An extended underarm gusset with laser-cut vents gives you room to serve, swing and follow through.

Finished to be seen in

A 3D fabric finish dries faster between points. Lightweight and cut close to an athletic build, in 82% polyester / 18% spandex at 160 gsm.

No seam where you'd feel it

Contrast panels and skin-friendly seams keep it composed to the last rally. Made in Vietnam.

On the move

Seen in the wild

Who makes it

Our spirit. Our hand.

Two things go into every piece before it ships: why it exists, and who makes it.

Our Spirit

Our Spirit

Born on the court, not in a boardroom. We're players first. Every piece is cut for a real match, then judged by whether it still looks right at dinner.

Read the brand story
Our Hand

Our Hand

Cut and sewn in Vietnam, where performance knits are a specialty. Every seam, collar and placket is built to hold its shape. Our wash-test results go on the craft page as they come in.

See the craft

Fit details

Size guide

Body measurements find your size. Garment measurements show how it fits. Between sizes, size up.

Measurements in
Your bodyWhere you measure
SizeChest (in)
S37–39
M39–41
L41–43
XL43–46
XXL46–49
The garmentLaid flat, edge to edge
SizeChest (in)Length (in)Sleeve (in)
S39.52725
M42.527.525.5
L45.528.526.5
XL492927
XXL523028

Garment chest is measured across and doubled. Length is from high point shoulder.

Questions

Asked, answered

Which size should I choose if I am between sizes?

Size up. The cut is athletic — trim through the body, free across the shoulders — so the larger size gives you room to move. The model is 6'1", wearing M.

What are the return and exchange conditions?

30 days. No questions. Unworn, unwashed, tags on, and returns are free within the US. Wrong size or color? Return the original and place a new order.

How should I wash and dry this garment?

Machine wash cold (30°). Do not bleach. Do not iron. Do not tumble dry.

How long does shipping take?

Standard shipping is $5 under $75 and free at $75 or more. You get tracking by email when your order ships. Full timing on our Shipping & Returns page.