Experience: In two to four sentences, sum up your level of experience with this product.
Familiarity with this product: How long have you owned it? How much have you used it? Number of trips? Miles?
Familiarity with product type: What's your experience with other models of this type of gear? Is this your first, one of many?
Conditions: Where and how have you used this product? In what conditions, terrain, and weather? When? For what activities?