SIZING INFORMATION
The type of desired fit can depend on experience and performance.
If you climb V4 or 5.12A and under:
So iLL recommends those who use women sizing to order their street shoe size. Example: If you wear a women's size 9 street shoe, order the women's size 9.
If you wear men's, So iLL recommends you to order a size and a half up. Example: If you wear a men's size 9 street shoe, order size 10.5 here.
If you climb V5 or 5.12B and above:
So iLL recommends those who use women sizing to order one size down. Example: If you wear a women's size 9 street shoe, order the women's size 8.
If you wear men's, So iLL recommends you to order a half size up. Example: If you wear a men's size 9 street shoe, order size 9.5 here.
NOTE: The New Zero is considered men's sizing. Though they can be worn by men or women, sizing between styles vary and we recommend checking the sizing description before purchasing.