Two shirts, one shirt
An extended underarm gusset gives you room to reach, rotate and follow through, with 4-way stretch that moves with every swing.
The Baseline Quarter-Zip
Warms you up. Stays on for the rest.
ShopLayersThe Baseline Quarter-Zip
Model is 6'1" (185cm) in size M
Model is 6'2" (188cm) in size L
The quarter-zip
The Baseline Quarter-Zip
An adjustable quarter-zip, open for warm-ups and closed for the walk home.
Designed for
- Tennis
- Training
- Casual
$98
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
Moves with a swing, holds its line.
Buttery soft fabric
Smooth on skin, on court and after.
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.
Fit
AthleticCompressionAthleticRelaxed
- 75% nylon / 25% spandex, 250 gsm
- Laser-cut venting
- Full-swing gusset
- 4-way stretch
- Buttery soft fabric
- Odor control
- Raglan sleeves, skin-friendly seams and a zipped pocket
- Made in Vietnam
Fabric weight
250 gsmSheerLightMidHeavyThick
- Body: 75% nylon / 25% spandex
- Weight: 250 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.”
“Two hours in open sun, no burn on my neck. That alone sold me.”
“Runs a touch trim, so I sized up. Moves on court, still looks sharp off it.”
“Packed it for a work trip — warm-up in the morning, red-eye that night. Slept in it.”
“I own it in three colors now. That’s the review.”
“Dries flat, no sweat marks. I stopped packing a second shirt.”
Construction
The detail nobody sees
Finished to be seen in
Hundreds of small laser-cut vents under the arm let heat out through long rallies. Buttery soft fabric with odor control, 75% nylon / 25% spandex at 250 gsm.
No seam where you'd feel it
Raglan sleeves, skin-friendly seams and a zipped pocket finish it quietly. 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
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
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 craftFit details
Size guide
Body measurements find your size. Garment measurements show how it fits. Between sizes, size up.
Measurements in
Your bodyWhere you measure
| Size | Chest (in) |
|---|---|
| S | 37–39 |
| M | 39–41 |
| L | 41–43 |
| XL | 43–46 |
| XXL | 46–49 |
The garmentLaid flat, edge to edge
| Size | Chest (in) | Length (in) | Sleeve (in) |
|---|---|---|---|
| S | 39.5 | 27 | 25 |
| M | 42.5 | 27.5 | 25.5 |
| L | 45.5 | 28.5 | 26.5 |
| XL | 49 | 29 | 27 |
| XXL | 52 | 30 | 28 |
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.