Maxshield boot covers defend against grime, dirt, non-toxic liquid and spray hazards. Boot covers are calf length. They have a MP laminate which makes them breathable and comfortable and a PVC. They have Non- skid soles that provide excellent grip, tear, and skid resistance. Our Boot covers are made from MaxShield which is a microporous film laminate, liquid resistant material with a double layer fabric providing superior liquid and dry particulate barrier protection. These protective covers are the low cost alternative to Tyvek.