Boots are man's:

Etilenvinilatsetat (EVA, EVA) is an environmentally friendly polymeric composite material.

Features of footwear from EVA:
- extreme ease (it is 4 times easier than analog from PVC);
- high frost resistance (material remains elastic at-30);
- effect of a thermos (possesses low degree of a thermolysis);
- water tightness;
- comfort (thanks to high softness, elasticity and elasticity of material possesses shock-absorbing qualities).