GripGrab UPF 50+ Lightweight Summer Cycling Skull Cap Under Helmet Bike Helmet Sweat Liner Lightweight Bug Protection UPF Cap

These are of good quality. They pop in the washer and dryer! Do not used fabric softener as it reduces the wick away protection. They are comfy and do not slip. I use it for my skin graft from cancer on my head. They are highly breathable, easy to wash, and have strong UV protection which is important to me!

Lightweight, very comfortable, soaks up sweat and provides sun protection under helmet for those exposed areas (bald head :)). Highly recommend. Goes with me on every ride!!

I live in the tropics, frequently hot and humid, and though generally pleased with how light and wearable it is, I sure would appreciate some breathability, maybe with a Gore-tex liner.

My hat size is 6 and 3/8. This fits fine and keeps the sweat out of my eyes. I've used it for every bike ride since I purchased it. Doesn't leave stitch marks on the middle of my forehead like some others I own. No regrets.

Used product for a 206 mile bike ride. Kept the sweat from pouring down my face and my head cool.

Used this for a bike ride. Heat index was 102 and almost no sweat hit my eyes. Also offers good sun protection! Highly recommend.

Utlizo este producto para protección del sol al entrenar bajo el casco de ciclismo.

Thought it would cover more of my noggin but was a little short in the back

Great fit, well made and excellent UV protection.

Se adaptan muy bien a la cabeza y no me molestan las costuras con el casco puesto. Muchas gracias, un saludico,

Guter Komfort, stoppt schweiß von der Stirn und schützt den Kopf zusätzlich vor Sonne ☀️

Sottocasco veramente leggero,non da fastidio e cosa più importante protegge dai raggi UV.

I forget I have it on, does the job well and keeps the bugs out my hair