This deal has ended.
Update: these are sold out! Sierra Trading Post is marking down the H2Optix Cayman Sport Sunglasses from $49.99 to $14.35 for today only. These polarized sunglasses are great for water sports enthusiasts, the lenses have a special coating for better vision in wet conditions and also provide 100% UV protection. The Cayman is available in either a black frame with grey lens (pictured) or a tortoise with brown lens. Shipping is $5.95 and there's no sales tax (except WA).