M's Kragg Cotton Shirt Long Sleeve Color:White/Black As the core of your

As the core of your sleep system the Reactor liner extends the performance of your sleeping bag and sleeping mat in the coldest of conditions

Densolite 1000: Light and consistent core made with uni-directional fiberglass wrap and pre-shaped Densolite foam

Ultimate stretch and seamless comfort that moves with you

The light also remembers which mode you were last using and turns on in that mode

Ankle zips for a custom fit & easy on/off

M's Kragg Cotton Shirt Long Sleeve Color:White/Black As the core of yourA staple for any climbers wardrobe, this long sleeve is made with a breathable heavyweight cotton fabric for long lasting comfort and durability. Its relaxed fit has extra room under the arms to ensure you have plenty of reach while you climb.