The H&M Boys Youth Swim Trunks in size L are colorful floral patterned swim trunks made of polyester, perfect for boys aged 13-14. These 31" waist swim trunks feature inner netting for added comfort and a 20" length with a 10.5" inseam, offering a stylish and practical swim bottom option. Ideal for recreational activities and beach days, these machine washable swim trunks from H&M are a great choice for young boys looking for a fun and stylish swimwear option.