bambus
What happens on the inside of the thigh
Short answer: The thighs touch with every step. Without a layer in between, skin rubs on skin, and with sweat the sur...
Read more
Friction between two layers of clothing
Short answer: When two layers slide against each other, they wear on each other instead of on the skin. That is one r...
Read more
Why seams chafe more than fabric
Short answer: A seam is thicker than the fabric around it. The pressure from the clothing gathers on that narrow line...
Read more
How chafing happens
Short answer: Chafing is wear on the skin from repeated movement. It takes three things: pressure, movement and time....
Read more
How to tell whether a layer is too warm
Short answer: The first signs come before you sweat. Your neck warms up, you feel like rolling up your sleeves, and y...
Read more
Why sweat feels worse in humid air
Short answer: The body cools itself by evaporating sweat. If the air is already humid, it cannot take on more, and th...
Read more
Warmth in a room with underfloor heating
Short answer: Underfloor heating warms from below. Your feet stay warm, the air at head height stays cool, and a bed ...
Read more
Why a tight sock does not warm better
Short answer: A tight sock presses the air out of the fabric and squeezes the blood vessels in the foot at the same t...
Read more
What happens to heat under a rucksack
Short answer: A backpack presses the fabric flat against the back. The air disappears, the insulation turns to nothin...
Read more
Why sweat fabric warms more than T-shirt fabric
Short answer: Sweat fabric has an extra yarn that forms loops on the inside. The loops hold a layer of air against th...
Read more
How the air in a knit becomes insulation
Short answer: The stitches of a knitted fabric form thousands of small spaces. The air in them cannot move freely, so...
Read more
Why a loose garment warms less
Short answer: When there is too much room between fabric and skin, the air can move. Moving air carries heat away, an...
Read more
