Orbital 004 t-shirt. 

Regular T-shirt - 100% Combed Cotton Jersey T-shirt (165G)
.

Oversized T-shirt - 100% Cotton Jersey T-shirt (240G)
. Heavier than our usual 165G T-shirt with a longer sleeve.

Heavyweight T-shirt - 100% organic ring-spun combed cotton t-shirt (220gsm).   

Longline T-shirt - Printed on a 100% Combed Cotton Jersey T-shirt (150G)
. 4 inches longer than our regular crew neck tee.