BN3TH promo code - October 2026
New Zealand shoppers unlock 10% off first BN3TH orders through newsletter signup, plus free shipping on orders over NZ$150. With codes and 6 offers active in October 2026, the welcome discount applies to men's underwear and apparel featuring Keyhole Technology.
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BN3TH Deals
Newsletter Members Get Exclusive Offers and Early Collection Access
Beyond the first-order discount, joining the BN3TH mailing list puts you on the list for exclusive subscriber-only deals and early heads-ups when new collections drop. Handy if you want first pick of popular prints and colours before they sell out
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BN3TH Deals
Shop BN3TH Sale Items for Reduced Prices
The BN3TH online store runs markdowns on selected underwear and apparel lines, including boxer briefs and trunks. Items showing both a regular and sale price are already reduced - no sign-up or promo needed, just add to cart at the lower price
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10%
Offer
BN3TH Deals
10% Off First Order on BN3TH Underwear & Apparel
Save 10% on your first BN3TH underwear and apparel order when you join the mailing list. Applies to first-time customers only. Enter your code at checkout to redeem the discount on your first purchase
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10%
Offer
BN3TH Deals
10% Off Your First Order When You Join the BN3TH Family
Get 10% off your first order by joining the BN3TH family mailing list. Sign up with your email on the homepage to unlock this first-order discount on underwear and apparel
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BN3TH Deals
Free Shipping on Orders Over $150 NZD
Get free shipping on all orders over $150 NZD. No code needed - discount applied automatically at checkout when your cart total reaches $150
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BN3TH Deals
See what BN3TH has on offer right now
BN3TH offers a range of products and services. Visit their website for current deals
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