/* Scoped only to this block */ #jb-acc { border-top:1px solid #eaeaea; font-family: inherit; } #jb-acc details { border-bottom:1px solid #eaeaea; } #jb-acc summary { list-style: none; display:flex; align-items:center; justify-content:space-between; padding:14px 0; cursor:pointer; font-weight:600; letter-spacing:.01em; } #jb-acc summary::-webkit-details-marker{ display:none; } #jb-acc .icon { width:18px; height:18px; margin-left:12px; flex:0 0 18px; transition:transform .2s ease; } #jb-acc details[open] .icon { transform: rotate(180deg); } #jb-acc .body { padding:0 0 16px 0; font-size:14px; line-height:1.7; color: inherit; } #jb-acc .body ul { margin:8px 0 0 18px; } #jb-acc .muted { opacity:.8; } Details The Core Brief is your clean, everyday essential, cotton-rich, structured, and a little sportier than SoftCore. Think classic drawer staple with a Jonny Boy upgrade: breathable, supportive, and made to keep its shape wear after wear. Fit & Fabric Jonny is 5'10" (178 cm), 170 lbs (77 kg), wearing JonnyBoy M. Fabric: Cotton-rich stretch blend for a soft handfeel and everyday support. Fit: Hugs the body without squeezing; holds its shape and moves with you. Care: Machine wash cold. Do not bleach. Tumble dry low. Do not dry clean. Imported. Returns & Exchanges Due to their intimate nature, underwear and swimwear are not eligible for returns. A one-time size exchange is allowed help you find your best fit. If you're unsure about sizing, reach out for personalized guidance directly from Jonny Boy.