Dive Rite - CM O2ptima Shirt Size:Large POWER RAILS The backbone of

POWER RAILS The backbone of the SplitFin

Ability to enroll in TDI Advanced Wreck and TDI Advanced Trimix courses

and propulsion techniques

Stainless Steel Backplate

Principles of Doppler

Dive Rite - CM O2ptima Shirt Size:Large POWER RAILS The backbone ofWe all know the Dive Rite Chest Mount O2ptima is the best CCR on the market! Now you can show the world that as well with the Dive Rite O2ptima CM shirt. PS: If you want to learn to dive the O2ptima CM we can help out with that as we offer all levels of CM O2ptima or "Choptima" training. Sizing Specs Small Medium Large X Large 2XL 3XL Chest 20 21 22. 5 24 25. 5 27. 5 Body Length at Back 28 29 30 31 32 32. 5 Sleeve Length 18 18. 75 19. 5 20. 25 21 21.