GASP Size Chart

ChestWaistSeatInseam
S41.5 – 4329 – 3136.5 – 3930
M43 – 45.531 – 33.539 – 41.530.5
L45.5 – 47.532.5 – 3641.5 – 43.531.5
XL47.5 – 5036 – 3843.5 – 4632.5
2XL50 – 52.538 – 40.546 – 48.533
3XL52.5 – 54.540.5 – 4348.5 – 5134
4XL54.5 – 5743 – 45.551 – 53.534.5