Heat Wave Visual Vector Sunglasses: Photochromic Lens Z87+ is a pair of impact-rated safety sunglasses made for users who want jobsite protection and changing-light versatility in one frame. This is a pair of safety sunglasses designed for impact-rated eye protection with adaptive light-changing lenses. Model Number: E_VEC_BLK_07T. If you move between indoor, shaded, and bright outdoor conditions, the photochromic lens is the main reason this model matters.

The headline feature is the variable tint lens. Heat Wave lists a visible light transmission range of 75% to 17%, which means the lens starts much lighter in lower light and darkens as light intensity increases. On the job or around the yard, that saves you from carrying both clear safety glasses and darker sunglasses. You get one pair of protective eyewear that better matches changing conditions throughout the day.

Protection is not an afterthought here. Each pair meets or exceeds ANSI Z87+ requirements, and the lens is made from 1.9 mm thick shatter-resistant polycarbonate built to withstand mass impact standards. Integrated side shields add lateral coverage, which matters when debris can come from more than one direction. Heat Wave also notes that the frame, arm, and lens are each marked Z87+, which is the kind of detail buyers look for when they need compliant protective eyewear rather than casual sunglasses.

The Vector frame is built around a large shield-style lens and a flexible, lightweight chassis. Heat Wave calls it the lightest frame they make at 1.3 oz, and they pair that with a Hytrel nose piece for better adaptability and day-long comfort. In plain terms, that means you get more coverage and a secure fit without the bulky feel some safety eyewear brings with it. For people who actually wear eye protection all day, that balance matters.

Lens performance goes beyond impact resistance. The polycarbonate lens is injection molded for clarity, includes UV400 protection, and blocks 100% of UVA and UVB rays. The product data also identifies the lens as Category 1-3, which fits the changing-light purpose of this model well. If glare control and visual clarity are priorities, this setup is aimed at keeping vision usable across a wider range of environments than a fixed-tint lens.

Who should buy this? Anyone who needs certified protective eyewear but does not want to keep swapping between clear safety glasses and dark sunglasses. That includes construction users, shop users, mechanics, utility crews, and serious DIYers working in mixed lighting. If you want a lightweight shield-style frame with ANSI Z87+ compliance and a photochromic lens, this is the version of the Vector to look at. One important note: Heat Wave states that removing the arms or changing the configuration voids Z87 compliance, so keep it in factory form if compliance is part of the purchase decision.

Heat Wave Visual Vector Sunglasses: Photochromic Lens Z87+ Gets the Job Done Without the Lens Swap

This is the pair you buy when you need real Z87+ protection but do not want to bounce between clear safety glasses and dark sunglasses all day.

• Who it's for: Anyone working in changing light who still needs impact-rated eye protection, especially contractors, shop users, mechanics, and serious DIYers.
• Why it stands out: You get ANSI Z87+ compliance, a 1.9 mm polycarbonate shield lens, side protection, UV400 coverage, and a photochromic tint range that makes the eyewear more useful across a full day.
• Worth knowing: Keep the frame in its original configuration if you need Z87 compliance, because Heat Wave states that removing the arms or changing the setup voids that rating.

• Does this model meet ANSI Z87+? Yes. Heat Wave states that each pair meets or exceeds Z87+ standards right out of the box.
• What type of lens does it use? It uses a photochromic polycarbonate lens that adjusts from a lighter to darker tint depending on light intensity.
• How much visible light does the lens transmit? Heat Wave lists a visible light transmission range of 75% to 17%.
• Does it provide UV protection? Yes. The lens is rated UV400 and blocks 100% of UVA and UVB rays.