Everything about this one-piece is clean, deliberate, and completely sure of itself. A deep black bandeau-style body in 85% polyamide, 15% elastane, smooth, liquid, holding its shape and its depth of tone through every wave and every hour of sun without negotiation. A fixed bra insert that provides structure and lift without any visible hardware interrupting the clean line of the top. A high-cut leg that elongates and frames with quiet architectural confidence. And then at the center front — where the two halter straps cross before rising to the neck, a gathered knot of black and white rope cord that anchors the whole composition with a single detail so considered that it reframes everything around it.

The crossed rope halter is the design decision that makes this one-piece genuinely different from every other black swimsuit in existence. Black and white rope — the language of the sea, of sailing, of coasts that have always understood that the most enduring beauty comes from materials that belong to the water — crossed at the bust and tied into a gathered knot that creates both the structure of the halter and the only ornamentation the piece needs. Below it is a small keyhole cutout that frames the knot detail with a clean architectural opening. Above it two rope straps that rise from the knot and cross at the neck, adjustable, precise, completely original.

This is the one-piece that works at the beach and arrives at lunch without needing to explain itself. The one you pack because it solves every swimwear occasion on a trip without taking up more space than a single folded garment. The one that makes black, the color everyone reaches for when they can't decide, feels like the most deliberate choice you made all week.

Details

• Strapless bandeau-style one-piece silhouette
• Crossed black and white rope halter straps
• Gathered rope knot at the center bust
• Keyhole cutout below rope knot
• Adjustable halter neck tie
• Fixed bra insert
• High-cut leg
• Fully lined
• Shell: 85% polyamide, 15% elastane
• Lining: 88.6% polyamide, 11.4% elastane
• Color: Preto — deep black
• SKUs: S DOUX-BLACKMAYO-BLK-S / M DOUX-BLACKMAYO-BLK-M / L DOUX-BLACKMAYO-BLK-L

Alsolis carries pieces rooted in the belief that slow living is the most radical luxury of all.