... ankle and shin.sweat-absorbent,breathable, high temperature proof,durable,etc. White PVC Working Boots for Foods 1. Mateial: virgin PVC 2. Ling ... protect ankle and shin.sweat-absorbent,breathable, high temperature proof, durable,flexiable comfortable to wear. Unique designs.No pungent smell. ... . Used in: farming,chemical,foods,pharmacy,hopital,laboratory etc. white pvc working gum boots for foods