Period pants and leakproof underwear have come a long way — and the NIXI Body Susie Cream Leakproof Knicker is proof of just how far. This award-winning mid-rise style is the perfect all-rounder: VPL-free, invisible under gym leggings, capable of holding up to 15ml (equivalent to 2–3 tampons), and washable and reusable for a more sustainable approach to period and bladder care. At just £18 for a single pair — or as low as £14.40 per pair in a 5-pack — this is one of the most practical, planet-friendly underwear investments you’ll make.
Four Layers of Discreet Protection
The Susie Cream isn’t just a regular knicker with a pad sewn in — it’s a carefully engineered four-layer system. The charcoal bamboo lining sits closest to the skin for natural antibacterial comfort, the absorbent middle layers hold up to 15ml of fluid, and the waterproof TPU layer ensures nothing leaks through to your clothing. The outer shell is a smooth 75% nylon, 25% elastane blend that creates a completely VPL-free silhouette — invisible under even the tightest gym leggings.
The white gusset is a thoughtful design detail that makes it ideal for light bladder leaks and for getting to know your flow better. Washable at 30–40°C and reusable indefinitely, it replaces hundreds of disposable pads or tampons over its lifetime — better for your body and significantly better for the planet.
When the Susie Cream Earns Its Place
🏃♀️ Running & High-Impact Sport
The Susie Cream is specifically loved by runners and athletes — and it’s easy to understand why. The VPL-free, mid-rise design sits securely in place during high-impact movement without shifting or bunching, the four-layer gusset provides reliable protection through a long run or intense session, and the smooth outer fabric eliminates chafing. Whether you’re managing your period or dealing with light bladder leaks during exercise, this knicker handles it without you having to think about it.
🧘♀️ Yoga, Pilates & Studio Classes
The invisible-under-leggings design makes the Susie Cream the obvious choice for yoga and pilates — no visible lines through tight-fitting activewear, no bulk or discomfort during floor work, and reliable protection through a full session. The comfortable waistband stays in place through every pose without digging in or rolling down.
💼 Everyday Wear & Long Days
The Susie Cream works just as well as an everyday knicker as it does for sport. The mid-rise design and comfortable waistband make it suitable for all-day wear, the VPL-free construction works under any outfit, and the leakproof protection provides peace of mind throughout the day — whether you’re managing your period, dealing with light bladder leaks, or simply want the reassurance of extra protection.
🌍 The Sustainable Switch
The average woman uses around 11,000 disposable period products in her lifetime. Switching to washable, reusable period pants like the Susie Cream dramatically reduces that number — and the associated cost and environmental impact. At £18 per pair, a set of five Susie Creams (available as a 5-pack for £72) replaces months of disposable products and pays for itself quickly. It’s one of the most impactful sustainable swaps you can make.
💧 Bladder Leak Confidence
Bladder leaks affect millions of women — during exercise, after childbirth, during perimenopause, and beyond — and the Susie Cream is specifically designed to handle them discreetly and confidently. The white gusset makes it easy to monitor leaks, the four-layer protection holds up to 15ml, and the completely invisible design means no one but you knows it’s there. This is the knicker that gives you your confidence back.
Award-Winning Protection from £18 💸
Premium period pants and leakproof underwear from specialist brands typically retail for £22–£45+ per pair. NIXI Body’s award-winning Susie Cream delivers four-layer protection, VPL-free construction, charcoal bamboo lining, waterproof TPU, and a design loved by runners and athletes for just £18 per pair — or as low as £14.40 per pair in the 5-pack.
Available in sizes 8–20 with excellent stock across the range, this is the leakproof knicker that genuinely delivers on every promise. Whether you’re making the sustainable switch, managing bladder leaks, or simply looking for the most comfortable, reliable period underwear available, the Susie Cream is the answer.
The Details
- Brand: NIXI Body
- Style: Susie Cream — Mid-Rise Leakproof Knicker
- Absorbency: Up to 15ml (2–3 tampons equivalent)
- Layers: 4-layer gusset — charcoal bamboo lining, absorbent middle, waterproof TPU
- Outer: 75% nylon, 25% elastane — VPL-free, invisible under leggings
- Sizes: 8–20
- Options: Single (£18) | 3-pack (£45.90) | 5-pack (£72)
- Care: Machine wash 30–40°C, no fabric conditioner, air dry
- Sustainability: Washable & reusable — replaces hundreds of disposable products
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