Men's Sweat Proof Undershirt (Crew Neck)

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Product Details

Taking the Original to the Modern Look.

We started with the classic V-Neck, and then our customers told us they wanted a crew neck, for both open-collared shirts and suits with a tie and a less-visible neckline.

Our Crew Neck undershirt with an impenetrable sweat-proof barrier in the underarm is the best shirt in the world for keeping sweat from showing through to your dress shirt, your polo, or your casual wear, whether you're making a presentation, going on a date, or just spending time with your family. Our technology stops sweat marks and keeps you cool, comfortable, and confident the entire day. These look and feel like a premium brand, and you can wear them knowing that you'll feel and look dry all day.

  • Luxurious micro modal fabric, which is 50% more absorbent than cotton, ensures that perspiration doesn't end up as sweat marks. This works on the entire shirt, not just the underarms.

  • Keep-cool technology provides comfortable temperature control all day with lightweight, breathable material that still keeps moisture controlled. No sweaty cotton!

  • No deodorant stains or sweat stains means that your outer shirts last longer. You'll save money on and stop stressing about the shirts you show the world.

  • Classic Crew Neck styling for use with open-collared shirts, flannels and fleeces, and business shirts, and with a suit and tie for a clean, crisp look that will last wash after wash. Prefer V-Neck styling? Check out our V-Neck Shirt!

  • Tailored, stay-tucked styling keeps the shirts laying flat and the neck looking sharp, avoids bunching, and is tagless.
  • Product Reviews

    Customer Reviews

    Based on 45 reviews

    These under tee's are awesome. My work shirts are normally soaking at the back and under the arms. Now they are bone dry even in the hottest room, and driving my car with the leather seats which normally cause the same problem. I bought 5 and have now ordered another 10.

    Full of confidence

    Purchased 2 off the Mens White Sweat Proof Undershirt V Neck shirts as had to stand for two days on an exhibition stand fully suited and booted

    Great product, no more sweaty armpits

    Works 100% at keeping sweat from reaching your shirt. No matter how hot I get these undershirts work, this is my second purchase. I bought a small and it fits nice and tight but it's stretches so very comfortable for all day use (I have a 40" chest). An essential item in my wardrobe now would not wear a shirt without one underneath. Also it's breathable so you don't overheat wearing it even in summer. If you want sweat free shirt armpits just buy this product, it's fantastic.


    Does exactly what it says, keeps you dry absolutely amazing product would recommend to anyone who suffers from those embarrassing under arm sweat patches.

    It's incredible!

    It's a wonderful product.
    This shirt has solved the sweat issue in a great way.
    Thank you very much!

    Worth the money

    I've been using normal v-neck skinny fit t-shirts for years. They all needed replacing recently and i decided to upgrade and give these a go instead. They're amazing! Yes they are expensive but I guess this is due to the fabric and extra labour costs involved in the manufacturing process. Worth every penny.

    Simply the best

    I was definitely sceptical about any product that claims to do what this can as I have been let down in the past. However I can honestly say that this works. I will be purchasing the special offer of 5 with 35%. Although not particularly cheap, it is worth every penny. I'd go as far as to say it's a life saver.

    Hit and miss if IÍm honestƒ Disappointed

    As I bought a few items in the 5 pack deal, I felt I needed to re post my review for the items I bought.

    I facilitate corporate training in front of many people, I have been doing this for many years. I have never been able take my suit jacket off due to my sweat stains. Sometimes the sweat stains would come through my jacket and the sweat would leave white stains on my dark suits. Embarrassing and a bit of a nuisance.

    When I found this product, I felt it was bit of a god send.

    I did the research, watch the video and was convinced this would help. I bought 5 pairs for the deal.

    The quick delivery was a great start.

    1st week they worked. Brilliant. No sweat stains when I got home. I thought I found the holy grail of undershirts.

    The following week I was in a training room with a lot of people which increased the temp in the room a few degrees. Due to the product I felt confident taking my jacket off for the first time, EVER!

    Much to my horror, embarrassment and disappointment I had huge sweat stains on both arms (I have pictures to prove). IÍm not sure what happened, did the sweat spill over the barrier and seep out the edge.

    I sent a message via FB and was asked if I had a rucksack on. Firstly, I didnÍt know what a rucksack was. Being a Canadian living in UK, my wife told me what a rucksack was.

    Anyway, for the cost I paid and the results I found, I was disappointed.

    It didnÍt seem to work for me on occasion, so for me itÍs hit and miss product.

    All I can say is donÍt believe the hype.

    confidence booster

    I don't think I need to explain what the title says. Please try it and you would know. No more sweaty armpits as it doesn't allow sweat to site on your shirt. Perfect for winter and sumber.

    putting the undershirt on is like putting confidence on

    For me I have tried using all the different deodorants with no success and it was affecting my day to day life. Black was my favourite colour t-shirt. I'm actually able to wear different colours without having to worry about pit stains and can actually enjoy myself. I never white reviews but this product is a life changer and people need to know it

    Men's Size Chart

    Sizes: S M L XL
    Chest 34-36 38-40 42-44 46-48
    Length 28" 29" 30" 31"

    Choose V Neck for use with polo shirts, t-shirts, casual shirts and business shirts when you want to wear them open collared (unbuttoned).

    Choose Crew Neck for a sharp undershirt neckline with an open collared shirt. If wearing a buttoned up collar with a tie then crew neck will make the undershirt neckline less visible.

    Men's Boxers Size Chart (inches)

    Sizes: S M L XL
    Waist 28-30 30-33 33-36 36-39

    Women's Size Chart

    Sizes: S M L XL
    Size 6 8 10 12
    Bust 30¾ 32¼ 34¼ 36¼
    Waist 24 25½ 27½ 29½
    Hip 33¾ 35½ 37½ 39½

    Men's Sweat Proof Undershirt (Crew Neck)