Smith Knowledge OTG Goggles are designed specifically for those who wear prescription eyewear & are a industry leader in the category. Boasting all the quality & performance that Smith is known for while allowing a comfortable fit with prescription eyewear, the Smith Knowledge OTG is a easy choice. Go ahead and pick up a pair from Action Sport Optics, a trusted leader in sport & lifestyle optics.
Fit Profile:  Smith Knowledge frames have a med-leg fit profile.
Frame information: Smith Knowledge OTG goggles are specifically designed with discrete notches on the side to accodate the arms of your presription eyewear.  With a universal Med to Large fit frame made with a flexible polyurethane frame material that  is designed to work in unison with different face shapes & sizes.  2019 Smith goggles uses a unique urethane compound that maintains flexibility even in the coldest of temperatures. The 2 layer Dri-Wix face foam gives a ultra comfortable customized fit, and the silicone ribbed strap prevents the straps from slipping on helmets.
Smith Knowledge Lens Information: Smith Optics makes the best lenses on the market & provide superior protection from harmful UVA-UVB-UVC rays. The 2019 Smith Knowledge utilizes TLT ( Tapered Lens Technology ) lens technology which provides perfect vision in all conditions by straightening out the incoming light rays by tapering them out from the center out to your peripheral view providing 100% clarity & accuracy.   2020 Smith goggles have set the standard in lens quality with their Carbonic-X Lens  which meets class 1 optical standards as well as ANSI Z80.3 safety & quality standards, there simply is no better lenses available on the market.
Understanding VLT:  VLT, or visible light transmission is the amount of light that is let through a lens, a low VLT percentage delivers performance for bright conditions, a higher VLT percentage delivers performance for lower light conditions.

Smith Knowledge Lens / VLT Guide

• Blue Sensor Mirror Lens:  70% VLT, a performance lens for variable & low light conditions, multi layer mirror maximizes color definition and increases definition.
• Ignitor  Mirror Lens Information: 35% VLT, this is universal lens tint that performs well in both sunny and lower light conditions, a true multi tasker!
• Yellow Sensor Mirror Lens:  65% VLT, low light performance.
• RC36 Lens: 36% VLT, partly sun & variable light performance, universal non mirrored lens.

About Smith Optics: Smith Optics is a leading supplier of the worlds best optics for skiing, snowboarding, and active lifestyle sunglasses.  Smith Optics makes great days better, and for over 45 years has been the innovation leader with the single goal of making days on the mountain the best it can be.

About Action Sport Optics: At ASO we are leaders in sport & lifestyle optics with over 20 years of industry experience! We pride ourselves in great products from the leading brands, superior customer service, product knowledge & fast shipping! Eyewear is our vision!