A disposable, low friction, breathable bootie is provided that accommodates the shape and size of a human foot. The bootie is made from a thin, flexible polymer sheet-like material in a generally tubular form. The bootie has a foot portion, a lower leg portion, and an ankle portion therebetween. The bootie includes a series of air vents in the foot portion and lower leg portion to provide airflow to the foot, while such vents are located to avoid key friction points between the foot and the ski boot during the donning and doffing processes. The bootie facilitates donning and doffing a ski boot. The vents provide breathability while the bootie is worn within the ski boot.

This disclosure is directed to articles of footwear with adjustable dimensions. More specifically, the articles of footwear disclosed herein include sole structures with adjustable dimensions. In some instances, an article of footwear includes one or more removable insert members configured for adjusting the dimensions of a foot-receiving cavity of the article of footwear. Additionally or alternatively, a sole structure can include one or more flexible portions that can move between compressed and expanded states to accommodate feet of various dimensions. To accommodate the adjustable dimensions of the sole structures, an upper of the article of footwear can be stretchable.

This disclosure is directed to articles of footwear with adjustable dimensions. More specifically, the articles of footwear disclosed herein include sole structures with adjustable dimensions. In some instances, an article of footwear includes one or more removable insert members configured for adjusting the dimensions of a foot-receiving cavity of the article of footwear. Additionally or alternatively, a sole structure can include one or more flexible portions that can move between compressed and expanded states to accommodate feet of various dimensions. To accommodate the adjustable dimensions of the sole structures, an upper of the article of footwear can be stretchable.

A walking boot and a boot frame. The boot frame can be formed to receive the walking boot. The walking boot can be secured within the boot frame via one or more buckles. The walking boot can have an externally mounted tongue that can be tensioned via the use of one or more laces and associated tensioning mechanisms. The tongue can be molded to conform to a user's foot and leg while the tensioning mechanisms secure the user's foot and leg within the walking boot. In some embodiments, the boot frame has an open heel to capture the walking boot. In some other embodiments, the boot frame has a rotatable heel configured to pivot away from the toe and receive a heel of the walking boot for easy coupling of the walking boot to the boot frame.

A disposable, low friction, breathable bootie is provided that accommodates the shape and size of a human foot. The bootie is made from a thin, flexible polymer sheet-like material in a generally tubular form. The bootie has a foot portion, a lower leg portion, and an ankle portion therebetween. The bootie includes a series of air vents in the foot portion and lower leg portion to provide airflow to the foot, while such vents are located to avoid key friction points between the foot and the ski boot during the donning and doffing processes. The bootie facilitates donning and doffing a ski boot. The vents provide breathability while the bootie is worn within the ski boot.

An exoskeletal boot is provided. The exoskeletal boot can have a walking boot and a boot frame. The boot frame can be formed to receive the walking boot. The walking boot can be secured within the boot frame via one or more buckles. The walking boot can have an externally mounted tongue that can be tensioned via the use of one or more laces and associated tensioning mechanisms. The tongue can be molded to conform to a user's foot and leg while the tensioning mechanisms secure the user's foot and leg within the walking boot. In some embodiments, the boot frame has an open heel to capture the walking boot. In some other embodiments, the boot frame has a rotatable heel configured to pivot away from the toe and receive a heel of the walking boot for easy coupling of the walking boot to the boot frame.

Ski boot comprising a rigid shell that is shaped so as to accommodate the foot of the user, and a rigid cuff that is shaped to as to surround the ankle of the user, and is pivotally jointed to the shell so as to be able to pivot about a rotation axis substantially perpendicular to the midplane of the boot; the shell comprising a substantially basin-shaped, rigid casing which is shaped so as to be able to accommodate therein the foot of the user, and a transversal stiffening insert which is embedded inside the bottom wall of the casing at the tarsophalangeal region of the sole of the foot, and is structured so as to emerge/surface on the outside of the rigid casing on opposite sides of the midplane of the boot, at the two lateral sides of the tip of the shell; the transversal stiffening insert being provided with two first conjugated coupling ends that surface on the outside of the rigid casing along the two lateral sides of the tip of the shell, on opposite sides of the midplane of the boot, and are structured so as to be engaged and clamped in an axially rotating manner about a transversal reference axis by the toe piece of the ski binding device, and of two second conjugated coupling ends that surface on the outside of the rigid casing along the two lateral sides of the tip of the shell, on opposite sides of the midplane of the boot, spaced beside said first conjugated coupling ends.