Discreet packaging · no logo on the package Easy returns within 30 days Get Back To It: buy two of the same piece, the third is on us · through 30 September Free EU shipping on all orders Discreet packaging · no logo on the package Easy returns within 30 days Get Back To It: buy two of the same piece, the third is on us · through 30 September Free EU shipping on all orders Discreet packaging · no logo on the package Easy returns within 30 days Get Back To It: buy two of the same piece, the third is on us · through 30 September Free EU shipping on all orders Discreet packaging · no logo on the package Easy returns within 30 days Get Back To It: buy two of the same piece, the third is on us · through 30 September Free EU shipping on all orders

Size guide

Measure around the widest part of your chest, just under the armpits. Keep the tape horizontal.

Size	Chest (cm)	Waist (cm)	Build
S	86–91	71–76	Slim
M	92–97	77–82	Average
L	98–103	83–88	Athletic
XL	104–109	89–94	Broader
2XL	110–117	95–102	Large
3XL	118–125	103–110	Extra large

Between sizes? Always size up. Chest is priority. Chest says M but waist says L. Go L. First wear feels tighter. Give it 30 minutes.

Track Your Order

Where's My Order?

Use the link in your order confirmation or shipping notification email to track your package in real time.

You can also check your order status directly:

Open your order confirmation email from UNDR and click "View your order".
Or visit our Account page if you have an UNDR account.

Need Help?

If you haven't received a shipping confirmation within 3–5 business days of placing your order, or if you have any questions, contact our support team and we'll be happy to help.

Hidden ImpactYour ChoiceThe Base LayerFree EU ShippingDiscreet PackagingHidden ImpactYour ChoiceHidden ImpactYour ChoiceThe Base LayerFree EU ShippingDiscreet PackagingHidden ImpactYour Choice