Best of both worlds. The proven performance of an AT paddle, with unbelievable durability and lightweight N6/Carbon and N6/glass composites. Available with standard or oversize polypro/glass blades, as well as a standard and undersize shaft. Offering a wide variety of choices! The next generation in touring! Ergo T4 E (Glass) Specs: ~Sizes: 215, 220, 225, 230cm ~Blade offset: Adjustable 0-90 degrees ~Adjustable from 0-5 cm in length ~Weight: 37oz / 2 Piece ~Blade surface area: 575 sq cm ~N6 Matrix Glass Shaft ~Glass reinforced polypro blades ~FCG – AT’s ergonomic signature for wrist positioning & optimized comfort Ergo T4 E OS (Glass) Specs: ~Sizes: 215, 220, 225, 230cm ~Blade offset: Adjustable 0-90 degrees ~Adjustable from 0-5 cm in length ~Weight: 39oz / 2 Piece ~Blade surface area: 675 sq cm ~N6 Matrix Glass Shaft ~15% larger glass reinforced blades ~Optimal purchase from each stroke ~AT’s ergonomic signature for wrist positioning & optimized comfort Ergo T4 E SS (Glass) Specs: ~Sizes: 215, 220, 225, 230cm ~Blade offset: Adjustable 0-90 degrees ~Adjustable from 0-5 cm in length ~Weight: 33oz / 2 Piece ~Blade surface area: 575 sq cm ~N6 Matrix Glass Shaft ~Polypro & glass blades have slight dihedral ~15% smaller shaft is excellent for smaller paddlers ~AT’s ergonomic signature for wrist positioning & optimized comfort