Our Neoprene Half Face Mask combines 4-way stretch fabrics and flat stitching for a clean look that conforms to the face and neck keeping the elements out. The top layer is made with Lycra fabric that is treated with a DWR (Durable Water Repellent) combined with wind and water-resistant Neoprene. Thus, the outer shell keeps the elements at bay while the soft fleece liner keeps the face warm. Combining Neoprene with a 4-way stretch Lycra face fabric and a 4-way stretch fleece fabric results in an approximate overall thickness of 4.5mm for ultimate protection. Other face masks may use materials with limited stretch resulting in restricted movement and comfort. Our Neoprene Half Face mask features a large hole pattern over the mouth for unrestricted breathing and over the ears so that hearing is undiminished. Adjustable hook and loop closure ensures a great fit. Available in sizes: XS, S, M, L, XL, 2XL Also available in Coyote (81132) Trade Agreements Act TAA / GSA Compliant Call 800-853-8506 for GSA pricing or click the GSA logo to order on GSA Advantage! GSA Contract: 47QSWA22D009S