2XL....36-38"......92-97cm
3XL....40-42"....102-107cm
4XL....44-46"....112-117cm
5XL....48-50"....122-127cm
6XL....52-54"....132-137cm
7XL....56-58"....142-147cm
8XL....60-62"....152-157cm
9XL....64-66"....162-167cm
10XL...68"+.......172cm+
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APPROXIMATE SIZING:
To fit chest: 2XL=117cm, 3XL=122cm, 4XL=135cm, 5XL=145cm, 7XL=160cm
To fit neck: 2XL=48cm,  3XL=50cm,  4XL=53cm,   5XL=56cm,  7XL=60cm