DYNS Jeans appears to be a legitimate online store based on customer reviews and ratings. The store has a 4.3-star rating on Trustpilot, with 70% of the reviews being 5-star. Customers have praised the quality of the jeans, the prompt shipping, and the responsive customer service. Some reviews mention the comfort and durability of the jeans, as well as the ease of returns and exchanges. However, there are a few negative reviews regarding the fit of the jeans and issues with the Velcro on the knee armor. Overall, the majority of customers have had a positive experience with DYNS Jeans, indicating that it is a trustworthy site for purchasing jeans.