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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Monday, Nov 16
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At a glance
- Condition
- New
- Size
- Medium
- Color
- Basic Pack
- Model
- RH5100AC
- Weight
- 0.88 lb
- Material
- Cotton
- Additional Features
- Breathable
Description
8 PACK Cotton boxer briefs multipack cut in a classic fit. Breathable, durable cotton blend featuring a soft elastic waistband with the iconic Calvin Klein repeating logo.
Specs 27
| Item model number | RH5100AC |
|---|---|
| Department | boys |
| Manufacturer | Calvin Klein |
| Brand Name | Calvin Klein |
| Additional Features | Breathable |
| Age Range Description | Big Kid |
| Unit Count | 8 Count |
| Number of Items | 8 |
| UPC | 193666330434 |
| Style Number | RH5100AC |
| Manufacturer Part Number | RH5100AC |
| Item Weight | 0.88 Pounds |
| Item Type Name | Boxer Briefs |
| Color | Basic Pack |
| Style Name | Modern Cotton Boxer Brief Underwear 8-pack |
| Pattern | Solid |
| Rise Style | Mid |
| Bottom Style | Boxer Briefs |
| Fit Type | Regular |
| Material Type | Cotton |
| Fabric Type | 95% Cotton, 5% Spandex |
| Product Care Instructions | Machine Wash |
| Apparel Fabric Weight Class | Lightweight |
| Apparel Fabric Stretch | Medium Stretch |
| Fit to Size Sentiment | True |
| Garment Size Country | Republic of Moldova |
| Size | Medium |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 16
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Comfortable, soft underware
Size: X-Large
Color: Basic Pack
I purchased the Calvin Klein Kids Boys’ Modern Cotton Boxers for my son, and we are very happy with them. The fabric is soft, breathable, and comfortable for all-day wear, which is especially important for active kids. The fit is true to size and provides a good balance of support and flexibility without feeling tight or restrictive. My son says they feel comfortable whether he’s at school, playing sports, or just relaxing at home. After multiple washes, they have held up really well—no shrinking, stretching, or fading so far. The waistband stays in place and maintains its shape, which adds to the overall quality feel. Overall, these are high-quality everyday boxers that combine comfort, durability, and a trusted brand name. I would definitely purchase them again.
...
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Reviewed in the United States on June 5, 2026 by Marian T.
Soft, Breathable & Mom-Approved
Size: Small
Color: Mixed Pack
I love these mostly-cotton underwear for my boys. We’ve really been trying to steer away from polyester and heavily mixed fibers, especially in sensitive areas, so I was happy to find these. The material feels soft, breathable, and much more comfortable against their skin. As a mom, I pay attention to what stays in contact with our bodies all day, and I truly believe fabrics matter. Our skin is our largest organ, so I try to choose more natural materials whenever possible. These wash well, hold up great, and my boys actually like wearing them with no complaints about itching or discomfort. Definitely a repurchase for our family. They’re not made cheap, the material is thick and smooth.
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Reviewed in the United States on June 3, 2026 by Daniella Bella 🌺
Our Go‑To Boxers – Comfortable, Great Fit, and Worth Reordering
Size: Medium
Color: Basic Pack
I’ve bought this 8‑pack three times now simply because we like them so much. The fabric is soft with the perfect amount of stretch—comfortable for everyday wear but still holds its shape. They wash nicely, never sag or twist, and my son loves how they feel. As he grows, I’ll just keep sizing up—these are definitely our go‑to underwear.
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Reviewed in the United States on April 23, 2026 by Coconut_coton_
The products I've been buying all along
Size: X-Large
Color: Mixed Pack
These boy's underwear are incredibly soft and breathable, fitting perfectly without irritation. The quality is top-notch, colors stay vibrant after washes, and my son loves the comfortable feel all day long. Highly recommend for everyday wear or active days.
Reviewed in the United States on February 13, 2026 by fiona
Boxer brief
Size: X-Small
Color: Mixed Pack
Perfect for my little one . He’s 4 and the Zize small was perfect for him . The material is super soft .
Reviewed in the United States on July 8, 2026 by Little star
Teenager approved
Size: Large
Color: Basic Pack
I bought these boxers for my 13-year-old son, who is very particular about brands and what he wears. These were reasonably priced, wash well, and—most importantly—he says they are very comfortable. They’ve held up nicely so far, and I’m happy with the quality for the price. A great option if you’re looking for something comfortable and affordable that teens will actually wear. They're a good standard length not too long not too short. My son specifically requested plain colored boxers, so while the color variety isn't great, it's exactly what he requested. They're the perfect amount of stretch.
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Reviewed in the United States on January 2, 2026 by Danielle L
Good fit
Size: Medium
Color: Basic Pack
Kid loves it. Great fit and material
Reviewed in the United States on June 24, 2026 by Karol
Not bad
Size: Large
Color: Basic Pack
Solid quality, comfortable, breathable , good stretch and fits like a glove, solid Bang for you buck for the quantity, and perfect for tall and skinny dudes like myself
Reviewed in the United States on May 29, 2025 by AMC