Period pants and leakproof underwear have come a long way — and NIXI Body's The Susie Cream is proof of just how far. This is an award-winning, mid-rise leakproof knicker designed for real life: invisible under gym leggings, loved by runners and athletes, and capable of holding up to 15ml (the equivalent of 2–3 tampons). Washable, reusable, and better for you and the planet. Starting from just £18.00. The NIXI Body Susie Cream is the underwear upgrade your drawer has been waiting for.
Who Is NIXI Body?
NIXI Body is a UK-based brand on a mission to make leakproof underwear that actually works for active women. Their products are designed with athletes, runners, and everyday women in mind — combining genuine absorbency with the kind of fit and feel that makes you forget you're wearing anything different. The Susie is their award-winning mid-rise style and one of their most loved designs, particularly among runners and gym-goers who need reliable protection without bulk or visibility.
What Makes The Susie Cream Special?
- 🏆 Award-winning design — the Susie is NIXI Body's most celebrated style, recognised for its combination of performance, comfort, and discretion.
- 🧠 Holds up to 15ml (2–3 tampons) — four layers of discreet, absorbent gusset provide genuine protection for medium period days and bladder leaks.
- 🏽 Cream/white gusset — ideal for monitoring bladder leaks or getting to know your flow better. Practical and reassuring.
- 💚 VPL-free mid-rise design — completely invisible under gym leggings, activewear, and everyday clothing. No lines, no bulk, no tell-tale signs.
- 🏃 Loved by runners and athletes — designed specifically to perform during exercise, including running, gym sessions, and high-impact activity.
- 🐧 Comfortable waistband — sits comfortably at mid-rise without digging in or rolling down during movement.
- ♻️ Washable and reusable — wash at 30° or 40°, air dry, and reuse. Better for you and significantly better for the planet than disposable products.
- 🧵 Premium materials — 75% nylon/25% elastane body, charcoal bamboo lining, waterproof TPU layer. Engineered for performance and comfort.
Usage Cases — When Will The Susie Cream Work for You?
🏃 1. Running & High-Impact Exercise
Running with a period or bladder leak anxiety is one of the most common reasons women reduce their exercise. The Susie Cream is specifically designed to solve this — the VPL-free mid-rise fit stays in place during running, the four-layer absorbent gusset handles up to 15ml, and the waterproof TPU layer ensures nothing gets through. Thousands of runners wear NIXI Body's Susie as their go-to training knicker on period days. Run freely, without worry.
🏋️ 2. Gym Sessions & Activewear
The Susie Cream is completely invisible under gym leggings — no VPL, no bulk, no visible outline. The mid-rise design sits comfortably during squats, lunges, and all the movements that make ordinary underwear uncomfortable. Whether you're managing a period, bladder leaks, discharge, or just want the reassurance of leakproof protection during a sweaty session, the Susie has you covered.
💼 3. Everyday Wear on Medium Period Days
The Susie Cream holds up to 15ml — equivalent to 2–3 tampons — making it genuinely capable of handling medium period days on its own, or as a reliable backup alongside a tampon or cup. The cream gusset makes it easy to monitor your flow, and the comfortable waistband and soft nylon/elastane body mean you can wear it all day without discomfort. Replace disposables entirely, or use alongside them for extra confidence.
💧 4. Bladder Leak Protection
Bladder leaks are far more common than most women talk about — affecting women of all ages, particularly after childbirth or during perimenopause. The Susie Cream's cream/white gusset makes it ideal for bladder leak management, giving you clear visibility of what's happening while providing discreet, reliable protection. Wear it to the gym, on a run, or just through a normal day with complete confidence.
🌍 5. The Sustainable Switch from Disposables
The average woman uses around 11,000 disposable period products in her lifetime. Switching to reusable leakproof underwear like the NIXI Body Susie is one of the most impactful sustainable choices you can make. Washable at 30° or 40° and air-dried, each pair lasts for years — saving money, reducing waste, and eliminating the monthly cost and inconvenience of disposable products.
Real-Life Usage Situations
- Laura, 32, marathon runner: "I used to dread running on period days — the anxiety about leaking put me off training entirely. The NIXI Body Susie has completely changed that. I wear it for long runs and it handles everything without any issues. It's invisible under my leggings, stays in place the whole run, and I've never had a leak. It's genuinely life-changing for active women."
- Rachel, 45, gym regular: "I started experiencing bladder leaks after having children and it was affecting my confidence at the gym. The Susie Cream is perfect — the cream gusset lets me see exactly what's happening, the protection is reliable, and it's completely invisible under my leggings. I wear it to every gym session now and it's given me my confidence back."
- Jess, 28, making the sustainable switch: "I wanted to reduce my use of disposable period products and the NIXI Body Susie was my starting point. I bought three pairs and they've completely replaced tampons on lighter and medium days. They wash brilliantly, dry quickly enough, and the protection is genuinely impressive. At £18 a pair they pay for themselves within a couple of months compared to what I was spending on disposables."
Why Starting from £18 Is Outstanding Value
Let's put the price in perspective:
- Premium period pants from brands like Modibodi or Thinx typically cost £25–£45 per pair 💸
- Mid-range period underwear from high street brands? Usually £15–£30 — but often without the athletic VPL-free design, charcoal bamboo lining, or the NIXI Body award-winning performance 🏷️
- Monthly spend on disposable tampons and pads? £10–£20+ per month — the Susie pays for itself in 1–2 months and lasts for years 😐
- The Susie is available in multi-packs up to £72 — giving you a full rotation of leakproof protection at a fraction of the long-term cost of disposables 💪
With 725 units in stock across sizes, find your perfect fit today. Remember: the Susie runs true to size — if in doubt, size down!
Care Guide
- 🧳 Wash at 30° or 40° — do not use fabric conditioner
- 💨 Air dry — do not tumble dry
- ⏳ Allow slightly longer drying time due to the multi-layer gusset
Run Free. Live Freely.
The NIXI Body Susie Cream Leakproof Knicker is available now at ALTOE from just £18.00. Award-winning, athlete-approved, and genuinely life-changing for women who want to move freely without worry.
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