The Patagonia Men's Drawstring Unlined Swim Trunks in blue feature a solid pattern and are made of nylon blended fabric. With a 30" waist size and zip side pocket, these swim trunks are designed for outdoor activities such as lifeguarding, surfing, and recreational swimming. The drawstring feature and unlined construction offer a comfortable fit and style for the beach or pool. The Patagonia brand and beach-themed design make these swim trunks a stylish and practical choice for men looking for quality swimwear.