#FreeYourFeet with the world's most reduced, high-tech footwear:
XS US m 5-7 EU 36-39 US-woman 6-8
S US m 7-8 EU 40-41 US-woman 8-10
M US m 8-10 EU 42-43 US-woman 10-11
L US m 10-11 EU 44-46 US-woman 11-12
XL US m 11-14 EU 46-49 US-woman 12-14
If in doubt, rather choose the bigger size.
FYFs are designed to fit very tight and will stretch significantly, like normal socks - up to 5cm/2inch - hence it is normal that FYFs appear several Centimeters too short right when unpacking them and comparing them to your feet - they are designed to stretch on the foot while putting them on and fit like a 2nd skin - FYFs will wear in over the first times wearing them and fit better significantly after being worn in.
Of course they might still be too tight or too wide for you - write us anytime to evaluate and find an ideal solution for you!
FYFs are abrasion-resistant and cut-resistant - not proof.
FYFs are NOT puncture resistant. Needle-like objects like sea urchins can penetrate, be cautious about such dangers. Write us anytime with more questions about its capabilities via the red support button below.
FYFs are made of 46.5% Dyneema® fabric, making them cut and abrasion-resistant, - not proof. Also note FYFs are not resistant to any kind of puncture, due to their nature of being made of elastic, knitted fabric.