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Nyssa FourthWear Postpartum Recovery Underwear is recovery-focused underwear developed with OB-GYNs, Doulas, Midwives and Pelvic Floor Therapists. It uses a patented dual-layer 360° pocket system to hold ice or heat therapy in three zones and accepts a pad inside for bleeding management. Made from super-soft adaptive compression fabric and FSA/HSA eligible.
Key Features
- Patented dual-layer 360° pocket system holds ice or heat therapy
- Three therapy zones for perineum, c-section incision, and lower back
- Pocket designed to hold a pad inside for postpartum bleeding management
- Developed with OB-GYNs, Doulas, Midwives and Pelvic Floor Therapists
- Super-soft adaptive compression fabric that hugs the belly
- Stays smooth and seamless under clothing through healing stages
- FSA/HSA eligible
Details
- Brand: Nyssa
- Product type: Postpartum Recovery
- Designed with: OB-GYNs, Doulas, Midwives, and Pelvic Floor Therapists
- Pocket system: Patented dual-layer 360° pocket system
- Therapy zones: Between the legs for perineal relief; at c-section incision site; across lower back
- Pad compatibility: Pocket designed to hold a pad on the inside of the underwear
- Fabric: Super-soft adaptive compression fabric
- Supports: Perineal recovery, c-section healing, postpartum back pain, postpartum bleeding support
- Eligibility: FSA/HSA eligible
Who It Is For
For people recovering after vaginal delivery or c-section who want targeted ice or heat therapy and bleeding support. Useful for postpartum perineal recovery, c-section healing, and lower back pain.
Frequently Asked Questions
Can this underwear hold ice or heat therapy?
Yes. The patented dual-layer 360° pocket system is engineered to hold ice or heat therapy securely against the body.
Where can I place therapy packs in these underwear?
Therapy packs fit in three critical zones: between the legs for perineal relief, at the c-section incision site, and across the lower back.
Can I use a pad with the therapy pocket?
Yes. The pocket is designed to hold a pad on the inside so you can manage postpartum bleeding and apply cold or heat therapy at the same time.
Who helped develop FourthWear Postpartum Recovery Underwear?
It was developed in collaboration with an Innovation Advisory Board of OB-GYNs, Doulas, Midwives, and Pelvic Floor Therapists.
Is this product FSA or HSA eligible?
Yes. The product is FSA/HSA eligible.
All orders are processed and shipped within a maximum of 2 to 5 business days. Please note that this is an estimated timeline and does not constitute a guarantee, as national holidays and other external factors may impact final delivery and shipping times.
🚚 Free Shipping and Discount Clarification
For qualifying orders of $100 or more, the maximum available discount applied to your order is $30.
Patented dual-layer, 360 degree pocket system holds therapy packs across three critical zones for perineal, c-section, and lower back relief. Use ice or heat therapy exactly where it helps, hands-free.
Insert a pad inside the inner pocket and a therapy pack outside, so you can manage postpartum bleeding while receiving cold or heat therapy. No juggling pads, packs, or readjusting.
Crafted from super-soft, adaptive compression fabric, FourthWear stays smooth under clothing and gently hugs your changing postpartum figure. Wear it day or night as your body heals.
Look for features that match your delivery, pain points, and daily routine to find the most useful option.
- Delivery type: If you had a c-section check that the front pocket can sit over the incision, for targeted therapy and scar support.
- Pain relief needs: Choose a design with pockets placed for perineal, lower back, and uterine pain if you want multi zone therapy options.
- Size and fit: Support should feel snug but not restrictive. Look for adaptive compression that accommodates changes in the early weeks.
- Pad compatibility: If you want hands-free bleeding management, confirm the underwear accepts an interior pad alongside a therapy pack.
- Care and returns: Check care instructions before purchase and confirm return windows in case you need a different size or fit.
How do the therapy pockets work?
The dual-layer pockets are shaped to hold ice or heat packs in three zones, between the legs, over a c-section incision, or across the lower back. They also accept an interior pad so you can combine bleeding management with cold or heat therapy.
Can I use these after a c-section?
Yes. The front pocket is designed to sit over a cesarean incision for targeted cold or heat therapy and supportive scar care.
Will these fit my changing postpartum body?
The product uses super-soft, adaptive compression fabric that conforms as your body heals, offering gentle support from day one through recovery.
How should I care for the underwear and packs?
Remove therapy packs before washing and follow the garment care label. Gentle washing and air drying helps preserve compression and pocket function.
Can I wear a pad and a therapy pack at the same time?
Yes, the pocket system is designed so a pad can sit inside while a therapy pack sits against the body, enabling hands-free bleeding management and therapy.
What are your shipping and return policies?
We ship from a US warehouse, and orders over $100 ship free within the US. We offer 30-day returns and human customer support if you need help with sizing or returns.
G 5.0 on Google · 9 reviews · Verified buyer reviews from our store
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"