JSP Track Safety Alliance Approved Helmet Liner/Beanie

To be worn under JSP hard hats

80% cotton, 15% polyester, 5% spandex
Offers thermal insulation (for cold weather)
Machine washable at 30°C
Prevent the wearing of hoodies and polyester beanies under hard hats which can cause hats to slip
Fully track safety alliance certified
One size (52–64cm), black

Download technical specification (pdf format)