Feen Rill Seafoam string bikini

Feen Rill Seafoam string bikini — sustainably soft, sun-safe, and endlessly adjustable

Meet your new beach-day staple: the Feen Rill Seafoam string bikini. This recycled string bikini blends silky stretch with UPF 50+ sun protection and a double-layer design that feels secure, smooth, and lightweight. The seafoam hue flatters every skin tone, while the all-over print adds a subtle, ocean-inspired vibe you’ll want to live in all summer.

Customize your fit with multi-way ties and removable padding for just-right shape and coverage—whether you’re lounging, surfing, or chasing sunsets. The soft, quick-drying recycled fabric moves with you, and inclusive sizing up to 6XL means everyone gets a confidence-boosting fit. Effortless, sustainable swimwear that looks as good as it feels.

• UPF 50+ sun protection for worry-free pool and beach days
• Soft, stretchy recycled polyester blend for all-day comfort
• Double-layer construction with removable padding in the top
• Adjustable, multi-way ties for custom coverage and support
• Inclusive sizes 2XS–6XL for a flawless, personalized fit
• Seafoam green bikini with subtle all-over print; quick-dry fabric
• Optional lining color for an elevated, mix-and-match look
• Care: Rinse after each swim to preserve color and fabric
• Note: A small visible internal stitch at the bottom seam is normal and does not affect performance

Make waves in a suit that loves the planet—and loves your curves. Add the Feen Rill Seafoam string bikini to your cart and dive in.

Size guide preview (Imperial)