With the Mountainsmith Rain Cover your pack will stay dry, even while you're getting soaked

Size: Large
Dimensions 31.5" x 19.5" x 11"
Weight 4.32 oz.
Fit Range 4500 - 6000 cu. in.

Size: Medium
Dimensions 28" x 19" x 10"
Weight 4.16 oz.
Fit Range 3500 - 4500 cu. in.

Size: Small
Dimensions 27" x 16" x 8.5"
Weight 4 oz.
Fit Range 2500 - 3500 cu. in.

Size: X-Small
Dimensions 20" x 14" x 7.5"
Weight 3.84 oz.
Fit Range 1500 - 2500 cu. in.