Jerry Monkman / A winter hiker's crampon equipped boot on Mount Clay above the Great Gulf, Gulfside Trail, Northern Presidential mountain range, White Mountains, New Hampshire, USA. Model Released. March 2008

Kevin Schafer / Moss on abandoned hiking boots, Finger Bay, Adak Island, Aleutian Islands, Alaska

Kirkendall-Spring / Boots and gators left out to dry at Walbran Creek Camp, along the West Coast Trail, Pacific Rim National Park Reserve, British Columbia, Canada, May 2015.

Pal Hermansen / Waymarker on hiking trail in the mountains, Norway, September 2010.

Ernie Janes / Jack russell terrier, puppy resting on hiking boot

Ernie Janes / Golden retriever, puppy resting on straw chewing the laces of hiking boot

Ernie Janes / Golden retriever, puppy resting on straw with hiking boot

David Noton / A hiker's boot; a woman relaxing amongst bluebells, Batcombe, Dorset, England, UK.

Kirkendall-Spring / Hiking boots outside a tent, Ferry Basin, Bailey Traverse, Olympic National Park. Washington, USA, August.

Kirkendall-Spring / Hiking boots outside a tent, Ferry Basin, Bailey Traverse, Olympic National Park. Washington, USA, August.