I love my variety of winter protective, waterproof, and oh-so-cute boots, but most, while they keep the weather out and give me traction in a wintry state in the west, they lack arch support and a decent heel pocket. This is were my Superfeet come in. I've purchased the Green soles (works well with my Sorels and Uggs) and the aches that come from repeated use and minimal custom footbed support disappeared pretty much instantly. HIGHLY RECOMMENDED for semi-custom fit for active wear as well as casual footwear.

The Superfeet Insoles are a very important addition to my backcountry well-being. I loved my hiking boots and how they fit, but found the factory insoles to be pretty drab, causing foot pain after long hiking days.
The Superfeet Insoles were recommended by a friend, and I have been so so so thrilled with how my feet (and therefore rest of my body) has felt since. They are super easy to trim to fit and replace existing insoles. I used these in my Asolo 520 Gore-tex boots, and they've been amazing. My pack when hiking is about 60-70# (on 45-day expeditions), and my feet were never in pain! Last summer, without these insoles, I often had pain in the ball of my foot. They. Are. Amazing!
I wear a 38 EU (7.5 women's US), and went with the "D" size, to better fit the width/volume of my feet.

I purchased these insoles as a gift for my mother, and avid "aging" runner. She says her feet no longer start complaining at mile three. On the last leg of her Ragnar Relays, she is still smiling. Whether these insoles are in a running shoe, biking shoe or a ski boot, they make her feet happy. And when momma is happy, everyone is happy.