Outdoor sports, especially activities in the natural environment such as hiking, mountaineering, and climbing, are very popular pursuits [1]. Participants are affected by many external factors during these types of activities. For example, outdoor hiking and indoor walking have different metabolic requirements [2]. The terrain of the hike and its relief also affect hikers [3]. Similarly, hikers are affected by variable weather conditions, including high doses of solar radiation [4]. Carrying a backpack, including factors such as backpack carriage design [5], weight [6], and load distribution [7,8], needs to be taken into account. Use of a stick while hiking [9], the choice and even the color of clothing [10] are further factors that can influence successful completion of a hike. Footwear type is another external factor that has been shown to affect sports activity [6,11].