About Jack & Jones
Jack & Jones menswear is available from Borderland Muff, Donegal, Ireland. Borderland Muff is an authorised Jack & Jones stockist.
Jack & Jones JACBLACK 3-Pack Trunks – Organic Cotton Stretch Underwear
The Jack & Jones JACBLACK 3-Pack Trunks delivers everyday comfort with a close fit, soft organic cotton jersey and a supportive elasticated waistband. These men’s trunks are designed in a classic Black Blue and Grey colourway and offer the perfect balance of stretch, breathability and durability for daily wear.
Key Features
- 95% Organic Cotton, 5% Elastane – soft, breathable and sustainably sourced
- Comfort stretch jersey fabric for an easy, flexible fit
- Elasticated waistband for secure all-day support
- Close-fitting trunk design with short leg length
- 3-pack – excellent value and everyday practicality
- Lightweight & breathable fabric ideal for daily use
Description
Trunks sit close to the body like boxer briefs but feature a shorter leg for a modern, sporty shape. These Jack & Jones trunks are crafted from soft, stretchy organic cotton jersey, ensuring breathability and comfort throughout the day.
The elasticated waistband provides reliable support without digging in, making this 3-pack a great choice for work, leisure or gym wear. Designed in timeless black, they’re a staple essential for every wardrobe.
Sustainability
- This product contains a minimum of 50% organic cotton.
- Organic cotton is grown without harmful chemicals, helping protect soil, water and biodiversity.
Product Details
- Product Type: Trunks
- Fit: Close-fitting trunk shape
- Fabric: 95% Organic Cotton, 5% Elastane
- Material Description: Lightweight stretchy jersey
- Colour: Black
- Pattern: Pack
- Season: Autumn/Winter (FW 2025 – Collection 2025 MAIN #4)
- Manufactured in: China
- EAN: 5715832417388
- Article Number: 12265404
Care Instructions
- 40°C coloured wash
- Do not bleach
- Do not dry-clean
- Iron at moderate temperature
Size Guide – Jack & Jones Men’s Underwear
How to Measure
- Waist: Measure around your natural waistline.
- If between sizes, choose the larger size for added comfort.
Approximate Size Chart
| Size | Waist (cm) | Waist (inches) |
|---|---|---|
| XS | 70–75 | 27–29 |
| S | 75–80 | 29–31 |
| M | 80–85 | 31–33 |
| L | 85–90 | 33–35 |
| XL | 90–95 | 35–37 |
| XXL | 95–100 | 37–39 |
Size chart is approximate; measurements may vary slightly by style.
Shipping & Click & Collect
- Fast delivery across Ireland & Northern Ireland.
- Click & Collect available at Borderland Muff Outdoor & More.
Returns & Exchanges
- For hygiene reasons, underwear can only be returned if unopened and unworn.
- Please check sizing before opening the pack.
Why Buy from Borderland Muff?
- Authorized Jack & Jones retailer with new-season stock.
- Trusted family-run Donegal store with fast shipping.
- Great value multipacks for everyday comfort.
Available now from Borderland Muff Outdoor & More – your local supplier of Jack & Jones essentials.
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