It doesn't feel tight around the neck, and it uses an ear-hook type, so it won't slip off even during intense exercise like running or biking, allowing for comfortable use. It prevents sunburn on the neck and face, and is effective as a UV protection measure. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ✿.•Instant purchase welcome・Silent purchase at midnight OK•.✿ *First come, first served for only one item♬.*゜ *Welcome to bulk purchases, feel free to comment ♥Free shipping! ・Please understand that items are stored at home and will be shipped in simple packaging. ・Please check the actual photos for the condition of the product♪ ※To keep prices as low as possible, we may ship items without their boxes due to shipping costs. ・We generally do not ship on weekends and holidays due to family priorities. We will ship if we have time. ・We inspect the products before shipping, but if there are any defects, please contact us "before rating" the product. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ Face Cover Neck Cover UV Cut Cooling Neck Guard Face Mask Running Mask Sunburn Prevention UV UPF50+ Ear Hook Difficult to Fall Off Breathable Sweat-Absorbent Quick-Drying Breathable Stretchable Multi-functional Men's Women's Unisex 36499991.1