Here's what other sites are saying:
Often enough your hands go unprotected from the sun's dangerous UV rays, but with the Outdoor Research Spectrum Sun Gloves, your paws stay well protected during glacier travel or high-mountain backpacking. These three-quarter-length gloves feature lightweight, comfortable fabric that comes equipped with UPF 50-rated sun protection so your hands stay unburned and undamaged by the sun.
Though they're just as susceptible to sunburn, hands are often left uncovered and unprotected in harsh sunlight. These 3/4-finger-length gloves provide UPF 50+ protection for your vulnerable hands.
Outdoor Research Chroma Sun Gloves
$22 - $35
Petzl Cordex Belay Gloves
$26 - $44
Columbia Coolhead Fingerless Gloves
Metolius Climbing Glove
Outdoor Research Highcamp 3-Finger Gloves
Outdoor Research Firemark Glove
Petzl Cordex Plus Belay Glove
$34 - $49
Black Diamond Dirt Bag Glove
$40 - $44