This is high quality unisex safety shoes with steel toe cap and puncture proof steel plate,so a little heavy.Shoes size is a little different from US and Euro ,Here is size information,please choose according your foot length:
US size 4= Euro size 35 (fit foot length225 mm),
US size 5=Euro size 36 (fit foot length 238 mm) ,
US size 5.5=Euro size 37 (fit foot length 246.6. mm),
US size 6=Euro size 38 (fit foot length 251 mm),
US size 7=Euro size 39 (fit foot length 258 cm),
US size 7.5=Euro size 40 (fit foot length 264.6 mm),