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ROCKJOCK Men’s R40 Thermal Beanie Hat, Black, One Size

£4.25 (as of 07/11/2026 00:03 GMT - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The ROCKJOCK R40 is a black men’s knitted beanie made from acrylic, with a polar-fleece lining. It is listed as One Size and described as having R40 thermal insulation. Walking, hiking, camping, skiing and fishing are among its stated uses. Check the fit for the intended wearer and any weather-protection requirements, as no measurements or specific protection rating are given.

SKU: B079T3STM2 Category:

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Quick Summary

This black ROCKJOCK men’s knitted beanie has an acrylic construction and a polar-fleece lining. It is described as having R40 thermal insulation and is listed for outdoor and winter activities. The stated size is One Size.

Key Details

Detail Product information and buyer relevance
Brand and model ROCKJOCK R40 thermal beanie.
Colour Black.
Construction Smooth knitted fabric with a polar-fleece lining.
Material Acrylic.
Size and quantity One Size; listed as one item.

What to Compare Before Buying

  • Fit: One Size is the only size detail given. Check any available fit guidance against the intended wearer.
  • Weather protection: The listing describes thermal insulation but gives no temperature, water-resistance or wind-protection rating. Check for a relevant rating if you need protection for particular conditions.
  • Material: The hat is made from acrylic and has a polar-fleece lining. Consider these materials if you have specific fabric preferences.

Who This Product May Suit

The listed uses include walking, hiking, camping, skiing and fishing, as well as other winter activities. These are stated uses, not a performance rating for particular weather or conditions.

Before You Decide

Check that the One Size fit is suitable for the intended wearer and that the materials meet your preferences. If you need protection against rain, wind or a particular temperature, check for a relevant rating before relying on the hat in those conditions.

Brand

RockJock

Binding

Apparel

Product Group

Apparel

EAN

5055527719060

Color

Black

Size

One Size

Number Of Items

1

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