This Goggle allows you to be ready for every scenario. Sunny, Flat-light, Dusty, and Nighttime conditions. Each set comes with three different lenses. Chrome(sunglass), Amber, and Clear. They are held in by magnets that have an inner seal to keep dust, sand and other debris out. They are very easy to change. They have an anti-slip strap. The strap, storage bag and lenses all have Dune Therapy logos on them. Each lense is anti scratch, anti fog, uv 400 coated, and CE certified. The strap is also removable and adjustable. The storage bag and cleaning cloth are also included in the purchase.