Rating: 4 / 5
For those of you unfamiliar with this product image a leg warmer made out of T-Shirt like material. It has many uses explained on their website. Basically it is a bandana like item but you do not have to tie it.
To help you understand why I like this product let me explain a little about myself. I have long hair, like past the middle of my back. Usually I have to use hair bands or it is an unruly mess. This leads to broken hair, slippage, etc. No fun. Never did learn to braid my own hair.
Now I just take my Buff, fold it back on itself so it is inside out and slide my hair in. Then I grab the folded section and pull it over my head and onto my forehead. Snug the section under my hair in place and wammo -- hair off the nape of my neck and more free and secure than with a hair band. As an added feature I can mostly leave my hat at home. Wore it this way all weekend. Let me set up tent, cook, hike, etc. Without caring about my hair. Even slept in it instead of using a beanie.
Yes, I could attempt this with a bandana. Tried before. Always managed to tie my hair into the knots.
Weight? Basically nothing -- 370g (1.3 oz) -- and I get most of the uses of a bandana too.
So why a 4? Because there is not enough pattern choice and many of them are too dark for wearing over the full head in the heat.