Core Merino 120 SS Crew Model_CL has combined BLM

has combined BLM

It also has a full length rainproof zipper

the Mountain 2700 Pack comes to you with 2700 cubic inches of space

add the SkyAir Mesh Insert

which gives you distance traveled and a trail of breadcrumbs to follow back to camp

Core Merino 120 SS Crew Model_CL has combined BLMCore Merino 120 SS Crew is the short sleeve version of Sitka's lightest merino base layer features an ultralight merino wool blend that regulates temperature to help you stay comfortable through changing conditions and activity levels, and it naturally resists odor to suppress your scent. Sitka designed Core Merino 120 SS Crew with ArmorSpun merino wool to give it the extra durability needed to last. SPECIFICATIONS: Lightweight 120 gram, 17. 5 micron