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Seattle Mariners royal blue and neon green New Era 59FIFTY fitted hat - side view
Seattle Mariners royal blue and neon green New Era 59FIFTY fitted hat - front view
Seattle Mariners royal blue and neon green New Era 59FIFTY fitted hat - back view

New Era

Seattle Mariners

Seattle Mariners New Era 59FIFTY Side Patch Fitted Hat – Royal Blue & Neon Green

Regular price $60.00
Royal Blue / White / Lime Green / Gray

Only 1 left

Size
  • Ships from Texas in 1–2 business days
  • All sales final — every piece is one of one
  • 100% authentic, sourced through licensed channels
Description

Stand out with this Seattle Mariners New Era 59FIFTY fitted cap featuring a bold royal blue design. The front showcases a retro-style embroidered “S” logo in white and neon green, while the side features a detailed Seattle Mariners anniversary-style patch. Finished with a flat brim and gray undervisor for a clean, collectible baseball look.

  • Bold royal blue crown and flat brim
  • Retro-style embroidered “S” logo in white and neon green
  • Detailed Seattle Mariners anniversary-style side patch
  • Gray undervisor

Color: Royal Blue / White / Neon Green / Gray
Style: 59FIFTY / Fitted / Flat Brim / Side Patch / Retro Style
Brand: New Era

Details
Brand
New Era
Fit
59FIFTY Fitted
Team
Seattle Mariners
League
MLB
Closure
Fitted
Colorway
Royal Blue White Lime Green Gray
Type
Fitted Baseball Hat
SKU
CC-475-700
Shipping & returns

Ships within 1–2 business days from Texas. Free US shipping on orders over $75. All sales are final — every piece is a single unit, so check the size guide before you order.

Authenticity

Every licensed cap is sourced through authorised channels. House pieces are made in limited runs and are not restocked.

Seattle Mariners New Era 59FIFTY Side Patch Fitted Hat – Royal Blue & Neon Green

$60.00

Size guide

How to measure

Run a soft tape around your head about a finger's width above your ears and across the middle of your forehead — where the cap actually sits. Keep it snug, not tight. If you land between two sizes, size up.

Fitted cap sizes with head circumference
Cap size Inches Centimetres
6 7/8 21 5/8" 55.0 cm
7 22" 55.9 cm
7 1/8 22 3/8" 56.8 cm
7 1/4 22 3/4" 57.8 cm
7 3/8 23 1/8" 58.7 cm
7 1/2 23 1/2" 59.7 cm
7 5/8 23 7/8" 60.6 cm
7 3/4 24 3/8" 61.9 cm
7 7/8 24 3/4" 62.9 cm
8 25 1/8" 63.8 cm

Snapbacks and A-Frames

Adjustable styles are one size and fit roughly 7 to 7 3/4. No measuring needed.

Free US shipping over $75

100% authentic

True fitted sizing

All sales final

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