Is the zipper under the storm flap a two way zipper?

Tech Specs:

Material:

[shell] 50D nylon ripstop; [membrane/laminate] solvent-free laminate 

Fabric Waterproof Rating:

5000 mm 

Fabric Breathability Rating:

5000 g/mē 

Fit:

regular 

Center Back Length:

(medium) 27.25 in 

Length:

hip 

Pockets:

2 hand 

Seams:

fully taped 

Venting:

underarm zip vents 

Hood:

yes, full-time 

Weight:

(medium) 12.5 oz 

Recommended Use:

hiking, camping, backpacking 

Manufacturer Warranty:

lifetime