The two elastic cuffs on these cushioned toesocks keep dirt and other debris out while absorbing the impact on uneven trails and dirt walks. The mesh top of the sockensures that breathability is not compromised by theadditional cushioning. Your feet will love being inInjinji'sTrail 2.0 performance toesocks,whether you'rehikingthe Pacific Crest Trail or simply goingexploring on localday hikes. Injinji Trail 2.0 Midweight Mini Crew Twilight Granite Mens