We’ve read the reviews across the web for the Grivel G12 Crampon and summarize the results below:
Universal Ranking
PeakScore: 98 (out of 100)
User Rating: 4.9 stars 
Expert Rating: 5 stars
Number of Ratings Reviewed: 113
Pros & Cons
Reasons to buy:
User Reviews
- Strong and durable.
- Doesn’t show wear-and-tear.
- Straps are cinched easily and are solid.
- The front is aggressive and adequate on steep and icy slopes.
- The stiffness helps in performing on all footwear.
- The horizontal spikes can perform just as well on vertical ice, as well as less-technical terrain.
- The toe bails fit snug to climbing boots and touring boots.
Expert Reviews
- Available in 3 different binding systems.
- Provides great traction.
- Simple and versatile.
- Relatively lightweight.
- Features a wide-fitting attachment option to increase versatility.
- The crampon has long and pronounced secondary points, aiding to the stability on vertical ice.
- Features a clip-on heel and cup-type front for comfort and stability.
Reasons NOT to buy:
User Reviews
- Would not recommend these for mixed climbing or overhanging lines due to lack of extreme technical ability.
- No easy way to secure the extra strap length.
Expert Reviews
- The heel has a plastic piece, which can undergo wear-and-tear.
- A build-up of ice in between the sole and the plate may occur, hindering traction.
Summary:
The Grivel G12 Crampon is a top-of-the-line option that excels on almost all terrain. The durability, aggressive front of the crampon, and versatility make these a great choice for any alpine adventurist who will be climbing steep and icy terrain.