VIVAIA Filipa Women's knee-high Boots Sz 6 Eu.36.5 Designed for a variety of calf sizes, this versatile All Stretch boot features an ultra-stretchy shaft for a glove-like fit. The innovative V-Pro WalkSole features honeycomb cushioning and 2x arch support for superior all-day comfort. With a classic design, this boot offers endless styling possibilities, so you can walk out the door with style and confidence. You can wear them with many outfits such as: coats, skirts, shirts, jeans, etc. Very versatile. It is a round toe design boot with a 4 cm/1.57 inch heel height, 42.5 cm (16.7 in) shaft height, fully elasticized shaft, it has a warm function perfect for fall and winter, and a waterproof upper.