Liner:3Densitywrap Max Hike Liner

Best of all - the diamond material can be replaced when worn out

Toe and heel

It also has Seamless Toe Box

Arc'teryx Atom Vest M Size:S Liner:3Densitywrap Max Hike LinerThe latest generation of our lightweight Atom vest brings stretch performance, improved thermoregulation, and added durability. Streamlined and versatile, it shines as a midlayer or standalone during mid to high output activities. Fortius Air 20 nylon liner is lightweight, breathable, and made with recycled content Stretch synthetic insulation is breathable, warm, and light, adds freedom of movement, and is made with recycled content Lightweight