The outdoor marketplace is full of materials and products designed for one thing that catch on in a totally different sector.
The oldest example is probably waxed canvas, which originated as oiled sailcloth (for, you know, actual sails), before sailors started making water-resistant jackets from the stuff.

Much more recently, ice climbers have been known to swear by the waterproofing and warmth of Japanese fishing gloves.
On the flip side, a new product from the climbing community might solve a problem for the rest of us.
Anyone who’s been in a climbing gym knows the odors can be positively eye-watering, leading me to believe this liner could easily shield your CrossFit, running or cycling shoes from your co-workers.
Intended to be the ideal fix for climbers hitting the gym before or after a day job, Megabeta’s Convertible Totepack should appeal to anyone struggling to carry work and workout gear in the same vessel.