Kojima, Okayama ジャパンブルージーンズ

Japan Blue Jeans jeans: size charts & fit guide

Sister label to Momotaro, built around the mill's own selvedge fabrics.

Does Japan Blue Jeans run true to size?

Going by the published charts, Japan Blue Jeans runs large. For a 32″ waist we’d pick a tag 31 in 4 of 8 models, a size down from your waist. That aims for a waistband at your waist after the first soak: selvedge gives about an inch with wear.

Your waist	Tag we’d pick	In
30″ (76 cm)	29	4 of 8 models
32″ (81 cm)	31	4 of 8 models
34″ (86 cm)	33	5 of 8 models
36″ (91 cm)	34	6 of 8 models

Waists measured around your body where your jeans sit. Raw, unsanforized charts are adjusted for their first soak. Each model below shows its own pick for your waist.

Japan Blue Jeans size chart at a glance

Units

in cm

Measurements in the size that fits a 32″ waist. Open a model for its full chart in every size.

Model	Fit	Size	Waist	Front rise	Thigh	Knee	Opening	Fabric
J501	Wide	31	81.3 cm	32.4 cm	34.9 cm	25.4 cm	21.6 cm	12.5–14.8
JMJE1300	Wide	30	80 cm	30 cm	30.3 cm	24 cm	22 cm	12
J404	Straight	30	81 cm	27.5 cm	32 cm	24 cm	19.5 cm	12.5
JMJE1102	Straight	30	80 cm	27.9 cm	28.2 cm	24.1 cm	19.1 cm	16
JB0601	Relaxed Tapered	31	82 cm	27.5 cm	30 cm	22.5 cm	17.5 cm
J301	Tapered	31	81 cm	27 cm	30.5 cm	21.5 cm	17.5 cm	14.8
J201	Slim Tapered	31	82 cm	28 cm	28.5 cm	20 cm	16 cm	14.8
J314	Slim Tapered	32	82.6 cm	26.7 cm	29.5 cm	21.1 cm	17.4 cm	14