Can a left and right zipper version of this bag be zipped together?

Tech Specs:

Material:

[Shell] 40D nylon ripstop; [Lining] polyester taffeta 

Insulation:

Thermic Micro synthetic 

Shape:

Mummy 

Draft Collar:

Yes 

Max User Height:

[Short] 72in (183cm); [Reg] 78in (198cm); [Long] 84in (213cm) 

Shoulder / Hip / Foot Circumference:

[Short] 60 / 56 / 36in ( 152 / 142 / 91cm); [Reg] 62 / 58 / 38in ( 157 / 147 / 97cm); [Long] 64 / 60 / 40in (163 / 152 / 102cm) 

Stuff Size:

7 x 12in (17 x 30cm) 

Stuff or Storage Sack:

Both 

Degree:

35F (1C) 

Weight:

[Short] 2lb 1oz (936g); [Reg] 2lb 4oz (1020g); [Long] 2lb 7oz (1100g) 

Recommended Use:

Camping, backpacking 

Manufacturer Warranty:

Lifetime