The Apex Crimson String Bikini – Bold Coastal Luxury, Weightless Comfort

UPF 50+ UV protection. Silky double-layered stretch. Engineered for high-impact summer days.

Turn up the heat with striking elegance and magnetic aesthetic authority. The MarSpire "Apex Crimson" Premium Recycled String Bikini Set brings a rich, high-visibility red shade directly to your summer swimwear lineup. Showcasing our custom golden brand seal centered neatly over a deep crimson red backdrop, this classic two-piece set merges low-key luxury with sun-ready functionality. Crafted from silky, eco-conscious recycled polyester with integrated UPF 50+ sun protection, it keeps your skin shielded while delivering weightless comfort in and out of the water.

Why the Apex Crimson Bikini Set anchors your swimwear collection:

• Custom Adjustable Fit: Outfitted with long, flexible side and neck tie-straps that allow you to style and adjust the top and bottoms precisely to your body shape.

• Double-Layered Premium Shield: Built with a dense, double-layered front and back construction that guarantees maximum shape retention and complete opacity when wet.

• UPF 50+ Sun Protection: Technical fabric weave blocks over 98% of harmful UV rays, keeping you protected during long beach days and pool sessions.

• Eco-Friendly Recycled Blend: Made with high-grade recycled polyester fibers, combining sustainable awareness with chlorine-resistant, fade-free durability.

• Ultra-Inclusive Sizing: Precision-engineered to flatter all silhouettes, running in an expansive range from 2XS all the way to 6XL.

Technical Details:

• Material (US/Mexico Production): 75% Recycled Polyester, 25% Elastane.

• Material (Latvia Production): 88% Recycled Polyester, 12% Elastane.

• Fabric Weight: 6.64 oz./yd.² (225 g/m²).

• Features: Removable padding slots, soft interior stitching, UPF 50+ rating.

Style Tip

Lock in a bold, head-turning beach ensemble. Pair this crimson bikini set with an open black or white shirt, or drape your MarSpire x Champion® Packable Jacket over your shoulders as sunset arrives. Heading off the sand? Slide into your MarSpire "Cozy Core" Shorts and step into your iconic "Apex" Sneakers for a seamless beach-to-street transition.

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