Bloch Soft Stretch Face Masks are designed for breathability, perfect fit, and comfort. Dual layers of top quality soft stretch fabric make the Bloch A001 mask ideal for all climates, all-day use, and perfect for wearing during movement and exercise. Effective in protecting against the elements of everyday urban life, the A001 mask features UV protection, anti-dust,and soft stretch material that allows it to contour to your face. The adjustable ear loops ensure a snug fit and the mask is machine washable and environmentally friendly.