Oakley SI Ballistic M Frame 3.0 Replacement Lens Oakley Shooting Glasses The U in this "U"

The U in this "U" Frame means Universal

black Tri-Tech Fit Crossbow frame with a Clear lens

and ESS Profile Goggles

The Ballistic 2

replaceable parts

Oakley SI Ballistic M Frame 3.0 Replacement Lens Oakley Shooting Glasses The U in this "U"Fits SI Ballistic M Frame 3. 0. Does NOT fit Industrial M Frame, standard M Frame or M Frame Alpha. Oakley SI M Frame 3. 0 Replacement Lens Features: Lenses are made of Plutonite, Oakleys high purity optical grade polycarbonate Oakley High Definition Optics (HDO) with Polaric Ellipsoid geometry All lenses feature an advanced anti fog coating UV protection of Plutonite lens material that filters out all UVA UVB & harmful blue light up to 400nm