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GSF: Skyline Authority

€22.24

Skyline Authority — Global Security Force T-Shirt (Official Merch)

This piece is designed as a uniform artifact from the world of Skyline Authority.

The front features the GSF elite-unit emblem, a clean, authoritative mark representing discipline, coordination, and resolve. On the back, the designation SKYLINE AUTHORITY — GSF / GLOBAL SECURITY FORCE is presented in a clear, structured layout, reinforcing the identity of an organized force operating at planetary scale.

A subtle Perplex sigil on the left sleeve functions as an insignia — understated branding that signals alignment without distraction.

Every element is intentional. No excess detail. No visual noise.
This is not a graphic tee — it’s a statement of order, readiness, and control.

Details

  • Premium black T-shirt

  • Front: Global Security Force (GSF) emblem

  • Back: Skyline Authority — GSF / Global Security Force designation

  • Left sleeve: Grey Perplex sigil insignia

  • Clean, high-contrast print optimized for durability

  • Unisex fit

Built to look issued, not advertised.
For those who understand authority — and the systems behind it.

Select color: Purple

Select size

More details

  • Solid colors are 100% ring-spun cotton
  • Sport Grey is 90% ring-spun cotton, 10% polyester
  • Heather colors are 65% polyester, 35% cotton
  • Lightweight fabric (4.2 oz)
  • Relaxed fit
  • Unisex sizing

Quality Guarantee & Returns

  • Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
  • Because the products are made to order, we do not accept general returns or sizing-related returns.

GSF: Skyline Authority Size Guide

Size guide preview
Size label Length Width Sleeve length
S
28
18
16.75
M
29
20
17.88
L
30
22
19.13
XL
31
24
20.38
2XL
32
26
21.63
3XL
33
28
22.75

Measurements are provided by suppliers. Product measurements may vary by up to 2" (5 cm).

Pro tip! Measure one of your products at home and compare with the measurements you see in this guide.

 


A Length

Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt.

B Width

Place the end of the tape at the seam under the sleeve and pull the tape measure across the shirt to the seam under the opposite sleeve.

C Sleeve length

Place the end of the tape at the center back of the collar, then pull the tape measure along the top seam of the sleeve. When you get to the shoulder hold the tape in place at the shoulder and continue to pull down the sleeve until you reach the hem of the sleeve.

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