2026 Seattle Mariners University of Idaho Day Jersey Giveaway

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Size Guide

Size Chart

Size Length Bust Shoulder Sleeve
S 29.92 in 34.65 in 14.96 in 24 in
M 30.32 in 37.80 in 16.14 in 25 in
L 30.70 in 40.95 in 17.32 in 25 in
XL 31.10 in 44.10 in 18.50 in 26 in
2XL 31.50 in 48.03 in 19.69 in 26 in
3XL 31.59 in 51.97 in 20.87 in 27 in
4XL 32.28 in 55.09 in 22.05 in 28 in
5XL 32.68 in 59.84 in 23.23 in 28 in
6XL 33.07 in 63.77 in 24.40 in 29 in
  • Material: Premium-quality polyester, smooth and breathable for everyday comfort
  • Fabric Weight: Medium-weight 210 g/m² — perfect for year-round wear
  • Care Instructions:
  1. Do not bleach
  2. Machine wash cold with like colors
  3. Tumble dry on low heat
  4. Do not iron directly on print
  5. Do not dry clean
Size Length Bust Shoulder Sleeve
S 76 cm 88 cm 38 cm 62 cm
M 77 cm 96 cm 41 cm 63 cm
L 78 cm 104 cm 44 cm 64 cm
XL 79 cm 112 cm 47 cm 66 cm
2XL 80 cm 122 cm 50 cm 67 cm
3XL 81 cm 132 cm 53 cm 69 cm
4XL 82 cm 142 cm 56 cm 70 cm
5XL 83 cm 152 cm 59 cm 72 cm
6XL 84 cm 162 cm 62 cm 73 cm
  • Material: Premium-quality polyester, smooth and breathable for everyday comfort
  • Fabric Weight: Medium-weight 210 g/m² — perfect for year-round wear
  • Care Instructions:
  1. Do not bleach
  2. Machine wash cold with like colors
  3. Tumble dry on low heat
  4. Do not iron directly on print
  5. Do not dry clean
Size Front-Length Back-Length Bust
S 75 cm 83 cm 122 cm
M 77.5 cm 85.1 cm 127 cm
L 78.8 cm 87.6 cm 132.1 cm
XL 80 cm 88.9 cm 137.2 cm
2XL 84 cm 91.5 cm 143 cm
3XL 88 cm 95.3 cm 148 cm
4XL 91.5 cm 99 cm 152.5 cm
5XL 95 cm 102.5 cm 157 cm
Size Length Bust
XS 27 in 41.08 in
S 28 in 43.08 in
M 29 in 45.08 in
L 30 in 47.08 in
XL 31 in 49.08 in
2XL 31.9 in 51.08 in
3XL 32.8 in 53.08 in
4XL 33.71 in 55.09 in
Size Length Bust
XS 68.58 cm 104.34 cm
S 71.12 cm 109.42 cm
M 73.66 cm 114.5 cm
L 76.2 cm 119.58 cm
XL 78.74 cm 124.66 cm
2XL 81.02 cm 129.74 cm
3XL 83.31 cm 134.82 cm
4XL 85.62 cm 139.92 cm
 

SIZE LENGTH CHEST SHOULDER
XS 27.56 in 17.32 in 12.99 in
S 29.13 in 19.29 in 13.77 in
M 30.31 in 21.25 in 14.56 in
L 31.88 in 23.22 in 15.35 in
XL 33.07 in 25.19 in 16.14 in
2XL 34.25 in 27.16 in 16.92 in
3XL 35.43 in 29.13 in 18.50 in
4XL 36.61 in 31.10 in 19.29 in
5XL 37.79 in 33.07 in 20.47 in
SIZE LENGTH CHEST SHOULDER
XS 70 cm 44 cm 33 cm
S 74 cm 49 cm 35 cm
M 77 cm 54 cm 37 cm
L 81 cm 59 cm 39 cm
XL 84 cm 64 cm 41 cm
2XL 87 cm 69 cm 43 cm
3XL 90 cm 74 cm 47 cm
4XL 93 cm 79 cm 49 cm
5XL 96 cm 84 cm 52 cm
Measurement YXS (inches) YS (inches) YM (inches) YL (inches) YXL (inches)
Chest Width (On Half) 14.5 16.5 18 19.5 20.5
Body Length 21 22.5 23.5 25 27
Measurement YXS (cm) YS (cm) YM (cm) YL (cm) YXL (cm)
Chest Width (On Half) 36.8 41.9 45.7 49.5 52.1
Body Length 53.3 57.1 59.7 63.5 68.6
Size Length Chest Age Height
Toddler 2T 14 in 11 in 1-2 33-35 in
Toddler 3T 15 in 12 in 2-3 36-39 in
Toddler 4T 16 in 13 in 3-4 39-41 in
Toddler 4 16.5 in 13.5 in 4-5 42-44 in
Toddler 5 17 in 14 in 5 45-47 in
XS 18 in 15 in 6-8 48-50 in
S 19 in 15.5 in 8-10 60-54 in
M 21 in 16 in 10-12 54-58 in
L 23 in 18 in 12-13 58-62 in
XL 25 in 19 in 13-15 62-68 in
Size Length Chest Age Height
Toddler 2T 36 cm 28 cm 1-2 84-89 cm
Toddler 3T 38cm 31 cm 2-3 91-99 cm
Toddler 4T 41 cm 33 cm 3-4 99-104 cm
Toddler 4 42 cm 35 cm 4-5 107-112 cm
Toddler 5 43 cm 36 cm 5 114-119 cm
XS 46 cm 38 cm 6-8 122-128 cm
S 48 cm 39.5 cm 8-10 128-137 cm
M 53 cm 41 cm 10-12 137-147 cm
L 58 cm 46 cm 12-13 147-158 cm
XL 63 cm 48 cm 13-15 158-172 cm
Size Length Chest Age Height
Toddler 2T 14 in 11 in 1-2 33-35 in
Toddler 3T 15 in 12 in 2-3 36-39 in
Toddler 4T 16 in 13 in 3-4 39-41 in
Toddler 4 16.5 in 13.5 in 4-5 42-44 in
Toddler 5 17 in 14 in 5 45-47 in
XS 18 in 15 in 6-8 48-50 in
S 19 in 15.5 in 8-10 60-54 in
M 21 in 16 in 10-12 54-58 in
L 23 in 18 in 12-13 58-62 in
XL 25 in 19 in 13-15 62-68 in
Size Length Chest Age Height
Toddler 2T 36 cm 28 cm 1-2 84-89 cm
Toddler 3T 38cm 31 cm 2-3 91-99 cm
Toddler 4T 41 cm 33 cm 3-4 99-104 cm
Toddler 4 42 cm 35 cm 4-5 107-112 cm
Toddler 5 43 cm 36 cm 5 114-119 cm
XS 46 cm 38 cm 6-8 122-128 cm
S 48 cm 39.5 cm 8-10 128-137 cm
M 53 cm 41 cm 10-12 137-147 cm
L 58 cm 46 cm 12-13 147-158 cm
XL 63 cm 48 cm 13-15 158-172 cm
SIZE CHEST LENGTH SLEEVES
YS 7.28 Inch 8.46 Inch 19.48 Inch
YM 7.67 Inch 9.05 Inch 20.47 Inch
YL 8.27 Inch 9.84 Inch 21.85 Inch
YXL 8.66 Inch 10.23 Inch 22.63 Inch
SIZE CHEST LENGTH SLEEVES
YS 18.5 cm 21.5 cm 49.5 cm
YM 19.5 cm 23 cm 52 cm
YL 21 cm 25 cm 55.5 cm
YXL 22 cm 26 cm 57.5 cm
Size Length (in) Bust (in) Age Height
XS 27.0 41.08 1-2 33-35 in
S 28.0 43.08 2-3 36-39 in
M 29.0 45.08 3-4 39-41 in
L 30.0 47.08 4-5 42-44 in
XL 31.0 49.08 5 45-47 in
2XL 31.9 51.08 6-8 48-50 in
3XL 32.8 53.08 8-10 60-54 in
4XL 33.71 55.09 10-12 54-58 in
L 23 in 18 in 12-13 58-62 in
XL 25 in 19 in 13-15 62-68 in
Size Length (cm) Bust (cm)
XS 68.58 104.34
S 71.12 109.42
M 73.66 114.50
L 76.20 119.58
XL 78.74 124.66
2XL 81.02 129.74
3XL 83.31 134.82
4XL 85.62 139.92
Size Length (in) Chest (in) Age (Years) Suggested Height (in) Suggested Weight (lbs)
Toddler 2T 14 11 1–2 35–38 24–28
Toddler 3T 15 12 2–3 36–39 29–32
Toddler 4T 16 13 3–4 39–41 33–36
Toddler 4 16.5 13.5 4–5 42–44 37–41
Toddler 5 17 14 5 45–47 42–46
Youth XS 18 15 6–8 48–50 —
Youth S 19 15.5 8–10 50–54 —
Youth M 21 16 10–12 54–58 —
Youth L 23 18 12–13 58–62 —
Youth XL 25 19 13–15 62–68 —
Size Length (cm) Chest (cm) Age (Years) Suggested Height (cm) Suggested Weight (kg) (approx.)
Toddler 2T 36 28 1–2 84–89 ~11–13
Toddler 3T 38 31 2–3 91–99 ~13–15
Toddler 4T 41 33 3–4 99–104 ~15–16.5
Toddler 4 42 34.5 4–5 107–112 ~16.5–18.5
Toddler 5 43 36 5 114–119 ~19–21
Youth XS 46 38 6–8 122–128 —
Youth S 48 39.5 8–10 128–137 —
Youth M 53 41 10–12 137–147 —
Youth L 58 46 12–13 147–158 —
Youth XL 63 48 13–15 158–172 —
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Quantity:

Estimated arrival: Place your order today (standard shipping method) to receive the product(s) within May 11 - May 14

Apr 23

Apr 30 - May 04

May 11 - May 14

SKU: 3OCB5T39 Categories: , , ,

Embrace the ultimate Pacific Northwest sports crossover with the 2026 Seattle Mariners University of Idaho Day Jersey Giveaway. Designed specifically for the dual-fan, this highly sought-after stadium giveaway item flawlessly blends the thrill of baseball with deep-rooted collegiate Vandal pride.

Seattle Mariners University of Idaho Day Jersey 2026 Giveaway – Show Your Support

The jersey is a visual masterpiece that reimagines classic baseball aesthetics through a collegiate lens. The visual foundation features a sleek, neutral grey base, ensuring the vibrant team graphics command absolute attention. Across the chest, the iconic “Mariners” wordmark is presented in a striking Vandal yellow with bold black outlining, instantly bridging the gap between the two distinct sports worlds.

The attention to collaborative detail continues on the left sleeve, where the legendary Joe Vandal mascot logo is proudly displayed. Turning to the back, the jersey features a commanding “VANDALS” nameplate sitting just above the number “26,” elegantly commemorating the 2026 season of this special university partnership. Black and yellow piping along the collar and sleeves perfectly frames the entire design, tying the crossover theme together into one cohesive look.

2026 Seattle Mariners University of Idaho Day Jersey Giveaway 2
2026 Seattle Mariners University of Idaho Day Jersey Giveaway 2

The Meaning Behind the Design

This jersey is a celebration of community and regional synergy. By integrating the University of Idaho’s iconic black and gold into the traditional Mariners branding, the design symbolizes the journey of countless fans who travel across the Pacific Northwest to support their teams. The number “26” anchors the piece in the present moment, acting as a time capsule for the 2026 season. Ultimately, it signifies unity, proving that the passion of college sports and the grandeur of professional baseball can exist in perfect harmony.

Kindly review your personalized details attentively, as numerous orders have arrived incomplete. Note that we exclusively dispatch to valid street addresses.

Grishko collaborates with reputable shipping partners, including UPS, USPS, DHL, and Yun Express, Yanwen.

SHIPPING POLICY

WHAT ARE THE SHIPPING COSTS?

Within the U.S., shipping is priced at 5.99 USD.

International shipping rates start from 13 USD.

WHERE DO WE SHIP?

We offer global delivery services.

Shipping time

US Regions:

Item Handling time (Mon-Fri) Shipping time ( Mon-Fri )
Apparel 1-3 days 3 -7 days
Mug 2-3 days 3-7 days
Poster, Canvas 1-3 days 3 -7 days
Hats 2-3 days 6-8 days
Bedding 3-5 days 7-10 days
3D Clothing, Hawaiian shirt… 3-5 days 8-12 days

Other Countries:

Handling time (Mon-Fri): 3-5 days

Shipping time ( Mon-Fri ): 15-25 days.

Note: Please be advised that shipping times may be influenced by public holidays, destination countries, and courier services.

Delivered

Total delivery time= Handling time + Shipping time

Although we provide estimated shipping times, it’s prudent not to plan your delivery too close to your deadline as unforeseen delays, beyond our control, may occur. Please allow extra time to accommodate such circumstances. While we strive to ensure timely delivery, we cannot be held liable for delays caused by external factors like shipping carriers, weather, holidays, customs clearance, or inaccurate delivery information.

If you encounter any issues with your order or need to make adjustments, feel free to reach out to us at [email protected]. Our team is dedicated to assisting you and resolving any concerns you may have.

Regarding multiple shipping addresses, we regret to inform you that we do not currently support this feature. If you require items to be delivered to different addresses, we kindly ask you to place separate orders for each destination.

Shipping is available to P.O. Box addresses; however, we are currently unable to deliver to military APO/FPO locations.

Regarding VAT taxes, please note that international shipments from the US are sent DDU (Delivered Duty Unpaid), and we do not collect VAT at the time of purchase. The recipient is responsible for any applicable taxes, duties, or customs fees upon receiving the package. Local customs or VAT charges may apply, and we recommend contacting your customs office for further details on your country’s policies.

 

Quick FAQ

USA Shipping: Flat rate $5.99 for all orders.

International Shipping: Starting from $13.00 (calculated at checkout).

Yes. Grishko.com is an independent store with on-demand production. Simply select your style, add to cart, and checkout.

Check the Size Chart on the product page for exact measurements.

  • Units: Our charts provide measurements in both Inches and Centimeters (CM).
  • Pro Tip: Lay a shirt you already own flat, measure the width and length, then match it to our chart. This is the best way to ensure a perfect fit!
 

Yes, but you must act fast. We allow a 6-hour window after ordering for any changes or cancellations.

  • 30-Day Policy: Returns are accepted within 30 days of delivery if the item is damaged, the wrong size, or not as described.
  • Process: Email support with photos before returning and always keep your tracking number.
  • Apparel: Wash cold, avoid harsh bleach, dry gently or air dry.
  • Accessories: Wipe clean and keep dry.
  • Home Goods: Follow the printed label instructions.
 

Why Choose the Grishko Collection

Defining modern comfort and timeless style—crafted for every occasion, tailored for every body

Pro-Grade Sewing & DTG Printing

Premium fabrics: Polyester, Spandex, or Cotton (product-specific). Engineered with reinforced stitching and advanced DTG technology for a durable

Natural Fit for Every Body

Sizes for every body: From XS to 5XL, tailored for your perfect fit.

Care Made Easy

For a lifetime of wear: Machine wash cold. Tumble dry low

Engineered Endurance

Crafted for endurance: High-density fabrics designed to maintain shape and color vibrancy, ensuring a fresh look that stands the test of time.

 
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