Frame type and fit: They are fully framed sunglasses made from lightweight and durable Grilamid TR-90 thermoplastic

This last part is key

Squirt claims it's 'longer lasting'

This aids in climbing traction particularly

Unlike anything else on the market

Smith Pinpoint Sunglasses - One Size Fits Most - Matte Black - Chromapop Polar Black Lens Replace Images Frame type and fit: TheyStair running up bright concrete or riding exposed trails, you need eyewear that feels as good as it looks. With a casual street ready style and lightweight design, Smith Pinpoint sunglasses easily take you from after work training to weekend recreation. Available with or without polarization, the ChromaPop lenses provide amplified detail and colour to keep you focused on whatever lies ahead. Interchangeable nose pads ensure a comfortable, secure fit