Men's Blue Striped Bathing Suit

I purchased this on Black Friday and it doesn't fit and they are not accepting returns. Brand: Vacay Slim fit; finishes mid-thigh Quick-drying swim fabrication; non-stretch Navy & light blue stripe Elasticated waistband with drawstring Twin hand pockets; mesh-lined Velcro patch pocket to reverse with branded patch Internal mesh briefs 100% Polyester