Boot having a first footwear element and a second footwear element

Art assembly comprising:

• a crampon;
• and
• a boot comprising:
• a first footwear element and a second footwear element;
• the second footwear element being sized, structured, and arranged to be removably inserted into the first footwear element;
• the first footwear element extending lengthwise from a rear end to a front end, widthwise between a lateral side and a medial side, and height-wise from a base to an upper end;
• the second footwear element extending lengthwise from a rear end to a front end, widthwise between a lateral side and a medial side, and height-wise from a base to an upper end;
• a second-footwear-element retainer configured to retain the rear end of the second footwear element against upward movement of the second footwear element at the rear end of the first footwear element, said second-footwear-element retainer comprising:
• a first part of the first footwear element, and a second part of the second footwear element;
• the first part and second part having complementary shapes;
• the first part comprising an internal stop positioned internally of the first footwear element and spaced from an internal boot-supporting surface of the first footwear element, the first part being configured to engage with the second part when the second footwear element is positioned within the first footwear element;
• the first footwear element comprising a crampon-retaining external stop positioned externally of and extending rearwardly at the rear end of the first footwear element, and configured to be engaged by a crampon retaining device;
• the internal stop of the first part including an arm extending in a direction forwardly from the rear end of the first footwear element, the arm being configured to engage with the second part;
• and
• the external stop comprising the arm of the internal stop of the first part.