Viking VW3 Handyman 14" Soft Toe Rubber Boot. Size 6-14.

Features include:

Industrial strength 100% waterproof , handcrafted natural rubber. Superior slip resistance when compared to PVC and PU (2 to 3 times better). Snug fit design to reduce foot fatigue and ankle rollover. Super lightweight (under 2 lbs. per boot) and 40% lighter than PVC or PU. Ultra flexible, exceeds 305,000 Flex Rating. 

Suitable uses: Fishing/food and agriculture.