This is a CATERPP cap. Used about twice. I think there are no noticeable stains. Selling to organize my personal belongings. Will be shipped folded up. From the manufacturer's website: "CATERPP Lt Homerun Cap Air" - 8 Key Points ① Doesn't fly off easily ② Comfortable fit, stress-free ③ Easy size adjustment with one hand ④ Easy to care for ⑤ UV protection ⑥ Suitable for sudden rain ⑦ Releases sweat and stuffiness ⑧ Functional and lightweight ▼ Head Circumference S size: 56cm (fits 50cm - 56.5cm) M size: 56cm (fits 51.5cm - 57.5cm) L size: 59cm (fits 53cm - 60cm) - Can also be worn by those with a 61cm head circumference ▼ Brim Length S size: 5.0cm M & L sizes: 5.5cm ▼ Height (from the wearing position) 10.2cm - 11.0cm (The top part stretches a bit, so it can be worn deeply) This is a personal inspection, so there may be oversights. Please understand. This is a used item, so please refrain from purchasing if you are concerned. No returns or refunds, please.