Excellent Used Condition Men’s Green REI Co-Op Sahara Long-Sleeve Solid Shirt-Size Medium -Wicking nylon fabric packs down small in a pack or suitcase -Sleeves can be rolled up and secured with button tabs -UPF 30 sun protection -Back vent has a mesh yoke underlay to help keep you cool -Seams are placed off of the tops of the shoulders to prevent abrasion under pack straps -Underarm gussets for ease of movement -2 chest pockets with buttons secure essentials -Pocket sunglass loop provides an easy place to park your shades -Locker loop lets you hang the shirt to dry -Machine wash cold; do not use bleach or fabric softeners; tumble dry