Zpacks Merino Wool T-Shirt Size:Small If you are flying for

If you are flying for your trip and can't carry on a knife

Our modular Top Side Pockets allow you to carry extra gear (like your cooking pot or rain gear) on the outside of your pack while still being able to accommodate taller items (like trekking poles

they can also be used to set up all of our Plex tents excluding the Altaplex

I can fit my duplex

or Duplex Pro tent into a freestanding ultralight tent for when stakes aren’t an option

Zpacks Merino Wool T-Shirt Size:Small If you are flying for2026 Update Our Wool T shirt has been updated to the Radiant Wool T Shirt! This listing is for the original version, available in remaining sizes while supplies last. Our ultralight Trail Cool Merino Wool T Shirt is comfortable and super soft to the touch. Merino Wool base layers are ideal for hiking, backpacking, trail running and other outdoor adventures. Wool's natural ability to control moisture and odor help to keep you comfortable every step of