Probably because the product causes cancer and other problems.
Or maybe it's a California Prop 65 warning, or something similar.
In California, Proposition 65 requires that warning labels be placed on... well, pretty much everything, if somebody somewhere ever thought they might just possibly cause cancer or "reproductive harm". It's a well-meant idea gone horribly wrong, as the net effect is that Californians are so used to seeing these on everything (seriously: they're at literally every gas station and restaurant) that we pretty much have been trained to just ignore them ("yeah yeah yeah, cancer, whatever").
One can purchase a men's hooded vest online from a number of online sources including brand name clothing stores. Also, sites like Amazon and eBay offer these products.
Hooded towels are often used at bath time for babies and small children. They can be purchased in bulk from wholesale stores that deal with baby and children products. Some providers are DHGate and SwaddleDesigns.
Hooded Plover was created in 1789.
Hooded Seedeater was created in 1870.
Hooded Pitta was created in 1776.
One can purchase a hooded towel from a variety of retailers. If one is looking for hooded towels for adults, they are available and can be customized from Hooded Towels. For babies and children, one can find hooded towels from Amazon, Target, Kmart, and a variety of other retailers.
A hooded t-shirt is called a hoodie
The Hooded Plover lives in Australia and Tasmania.
Hooded warbler babies are called chicks.
White-hooded Babbler was created in 1844.
Crimson-hooded Myzomela was created in 1903.
Robin - The Hooded Man - was created in 1984.