Cotton Woven: 145 gsm; 100% cotton, no stretch
Cotton Spandex: 250 gsm; 95% cotton/5% spandex, has great stretch
Cotton Canvas: 220 gsm; 100% cotton canvas
Cotton French Terry: 260 gsm; 95% cotton, 5% spandex
Bamboo French Terry: 260 gsm;
Bamboo Spandex: 240 gsm; 95% bamboo, 5% spandex
Single Sided Minky: 280 gsm; 100% polyester
Double Sided Minky: 300 gsm; 95% polyester, 5% spandex
Double Brush Poly: 250 gsm; 92% polyester, 8% spandex
Swim: 240 gsm; 86% polyester, 14% spandex
Athletic: 280 gsm; 85% polyester, 15% spandex
Cotton Rib: 240 gsm; 95% cotton, 5% spandex
PUL: laminated poly, mostly used for diapers