The following size chart is to be used as a guide only.
Your Diamonds are made to fit tight but comfortable. If you are thicker in the thighs and/or seat, go up a size.

Adult

Sizing	US Size	Waist
Small	30 – 32	68 – 76 cm
Medium	32 – 34	76 – 81 cm
Large	34 – 36	86 – 91 cm
X Large	36 – 38	96 – 101 cm
XX Large	38 – 40	111 – 122 cm

Compression

Sizing	US Size	Waist
Small	30 – 32	66 – 74 cm
Medium	32 – 34	75 – 82 cm
Large	34 – 36	83 – 92 cm
X Large	36 – 38	93 – 100 cm
XX Large	38 – 40	101 – 112 cm

Youth

Sizing	US Size	Waist
Medium	–	65 – 68.5 cm
Large	–	68.5 – 72 cm