This is where membership begins. The Marble Club opens with the Essentials. Obsidian and Larimar — the two anchors of the collection — paired as they were always meant to be. Dark and light. Grounded and composed. Select your size below. Your first drop arrives within 5 working days. Everything that follows — new colourways, priority access, the wider life of the brand — starts here. Cut from premium fabric with a reinforced waistband built to hold its shape. Comfortable under pressure. The packOne Obsidian. One Larimar. Two boxers, one philosophy. The cutSculpted fit. Considered fabric. Reinforced waistband. The fabricSoft-handle cotton with a quiet stretch. 93% cotton, 7% spandex. CareMachine wash 30°C. Do not bleach. Do not tumble dry. Iron on low. Do not dry clean. Size guide