ADIDAS MEN'S SIZING CHART
SIZE BUST HIP THIGH
X-SMALL 33"-35" 32"-35" 20"-21"
SMALL 35"-38" 37"-41" 22"-23"
MEDIUM 38"-41" 41"-44" 22"-23"
LARGE 41"-44" 41"-44" 23"-25"
X-LARGE 44"-49" 44"-47" 25"-26"
2X-LARGE 49"-54" 47"-51" 26"-28"
3X-LARGE 54"-58" 51"-55" 28"-30"
4X-LARGE 58"-63" 55"-59" 30"-32"
If your thigh width measures bigger than the given range, you may want to size up in the bottoms

CHEST    Measurement around body, under arms, and over fullest part of the chest

HIP    Measurement around fullest part of hip area

THIGH    Measurement around fullest part of the thigh