Todd Sanfield's most full-coverage swim brief option, the Ultradeep brief is the one swimsuit made for every beach and pool. Front-lined. Inner drawstrings. Outer seam 4" Fabric: Exterior: 80% Nylon / 20% Elastane Lining: 80% Nylon / 20% Elastane Care: For best results: Hand wash, Hang dry, Do not iron