・ Slides down a bit when running ・ Feels like it might blow away in the wind ・ But tightening it too much gives me a headache, etc. This HAT aims to slightly alleviate these stresses. The entire inner circumference of the head is made of stretch material, achieving "hard to slip," "hard to blow away," and "doesn't tighten too much." Color: Green Khaki Size: 58cm Brim Length: Approximately 6cm * Please note that there may be slight variations due to amateur measurements. We will ship the item as compactly as possible, taking care to avoid damage to the product. Thank you for your understanding.