For a perfect fit, measure chest and arms when sizing tops, and your waist & mid-thigh for shorts.

If you’re between sizes, size up as muscles will swell significantly.

SUGGESTED HYTRO SIZE	CHEST SIZE	BICEP GIRTH	WAIST SIZE	THIGH GIRTH
S	38-40 IN	<13 IN	30-32 IN	20-23 IN
M	40-42 IN	<14 IN	32-34 IN	21-24 IN
L	42-44 IN	<15 IN	34-36 IN	22-25 IN
XL	44-46 IN	<16 IN	36-38 IN	24-28 IN
XXL	46-48 IN	<17 IN	38-40 IN	26-30 IN
3XL	48-50 IN	<18 IN	40-42 IN	28-32 IN
4XL	50-52 IN	<19 IN	42-44 IN	30-35 IN

*Measurement, taken at mid-bicep, represents maximum arm size when relaxed.

Disclaimer: Use of Hytro garments is at the risk of the user. Hytro takes no responsibility for any harm or injury that occurs when using Hytro garments.

WOMEN’S SIZE GUIDE

Size up if you are between sizes as BFR training causes muscles to swell.

Remember to measure chest and arms for upper body sizing, waist & mid-thigh for shorts.

SUGGESTED HYTRO SIZE	CHEST SIZE	BICEP GIRTH	WAIST SIZE	THIGH GIRTH
XS	29-31 IN	<12 IN	23-25 IN	19-22 IN
S	31-33 IN	<13 IN	25-27 IN	20-23 IN
M	33-35 IN	<14 IN	27-29IN	21-24 IN
L	35-37 IN	<15 IN	29-31 IN	22-25 IN
XL	37-39 IN	<16 IN	31-33 IN	24-28 IN
XXL	–	–	33-35 IN	26-30 IN
3XL	–	–	35-37 IN	28-32 IN

*Measurement, taken at mid-bicep, represents maximum arm size when relaxed.

Disclaimer: Use of Hytro garments is at the risk of the user. Hytro takes no responsibility for any harm or injury that occurs when using Hytro garments.