SPF Cooling Shirt

A lightweight, breathable shirt aimed at personnel who spend long shifts in direct sun — range time, perimeter duty, wildland response staging. Built for heat management, not flame exposure.

Military personnelFirefightersPublic-safety agencies

Fit: Relaxed, vented back panel
Fabric weight: ~4.2 oz/yd² (mill datasheet)
Colorway: Sand, Slate
Sizes: XS–3XL

Available sizes / variants

XSSMLXL2XL3XL

Illustrative lightweight polyester-nylon knit, ~4.2 oz/yd². Mill datasheet on file; independent UPF lab rating not yet completed.

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Performance claims & evidence status

Claims are grouped by what actually backs them. We show empty groups honestly rather than implying evidence we don't have.

Independently verified

No claim for this item has an independent lab report or third-party test behind it yet. We'll move claims here — and link the source — the moment testing is complete.

Testing planned / in progress

UPF 50+ sun protection
Marketing claim from the fabric supplier. An independent UPF rating test is scheduled but not yet complete.

Unverified marketing claims

Unverified marketing claim

Evaporative cooling fabric technology
Mill copy describes an evaporative cooling effect; no comparative test data exists yet.
Odor-resistant treatment
Supplier-applied finish; no independent odor-control test has been run.