GNU Snowboard Binding Size Chart

US Men's
Binding Model Small Medium Large
Gateway 4 - 7 7 - 10 10 - 12
Psych 7 - 9 9 - 11 11 - 14
Freedom 7 - 9 9 - 11 12 - 14

US Women's 
Binding Model Small Medium Large
B-Free 5 - 7 7 - 9 9 - 10
B-Forward 5 - 7 7 - 9  9 - 11
 
Binding Model S/M M/L
B-Real 4 - 7 6 - 9
 
Kids'
Binding Model X-Small Medium
Gnunior  2 - 5  
Gateway   4 - 7