Practical mittens in durable nylon with elastic at wrist and opening, and, on sizes up through 2/3 a zipper along the side for easy on and off.
Tested with a water column pressure of 8000 mm. as well as breathability of 8000g / m2 / 24h and is breathable, wind and waterproof.
Lined with fleece. Zip up sides on size 1/2 and 2/3 only.