Bekina X210GB Steplite X Green Soft Toe Boot.  Available in sizes 4-15.

Features:  

Foamed PU waterproof construction. More comfort: wider fitting. More slip resistance: improved sole profile. Shock absorbent heel. Cut-off line to make shorter boot. Long life, tough wearing PU remains flexible to -4°F. Washable, moisture absorbing, cold insulating insoles. Light as a feather: 40% lighter than rubber or PVC. Thermo-insulating: cool in summer, warm in winter. Resistant to mineral, animal, and vegetable oil and fats, blood, disinfectants, manure, solvents, motor oil, and petroleum based chemicals.