The upper of this boot is made from Purotex, Dunlop's 4-layer system which creates the first breathable and waterproof upper. 

LAYER 1: Water repellent and wear and tear resistant outer layer
LAYER 2: Waterproof and breathable membrane
LAYER 3: Moisture wicking lightweight foam
LAYER 4: Antimicrobial abrasion resistant lining

The lower part of the boot is made from Purofort.

Boots made using Purofort® are up to 35% lighter than PVC, rubber or competitive PU boots.

Purofort® prevents heat loss and provides thermal insulation down to -20˚C.

Purofort® is extremely flexible and offers maximum stretch, for comfort and a longer life-time of your boots.

Additional features of these boots include:
The Stability Fix locks your foot with biomechanical support. A shoe horn shape for guiding the foot in and out. A heel counter to eliminate heel slipping and full under foot support provides stability over any terrain. 

The All Terrain Outsole is a slip resistant design to conquer any terrain, any time. It is a SRC slip rated design with easy clean mud-release design. Enhanced slip resistance along the foot roll off pattern and ladder grip protection.