Boxers Cotton Man Underwear Boxer Breathable Homme Underpants Sexy Comfortable Men's Panties High Elasticity Boxer Shorts Trunk
Material: 95%cotton (50S combed cotton)+5% Spandex
Crotch: 66.3% viscose + 25% polyester + 4.5% spandex + 4.2% nylon
Size is as follows:
Size L:   Height 160-170 CM /   weight 50-60 KG
Size XL:   Height 170-175CM /    weight 60-70 KG
Size 2XL:   Height 175-180 CM /   weight 70-80 KG
Size 3XL:   Height 180-185 CM /   weight 80-90 KG
Warm Tips : 
1. For your health , you can change your underwear every 3-6 monthes
2. Asian sizes are 1-2 units smaller than European sizes