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Baselayers & undersuits for motorcycle, ski, stormtrooper movie props & cosplay
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One piece under suit

Product Code: ONEA1 | Manufacturer: extreme racing | Condition: New | Weight: 0.5Kg

extreme racing one piece under suit is manufactured using a specially blended cotton & lycra fabric for enhanced moisture management & thermal protection. 

Our blended fabric reacts to all kinds of different conditions, from excessive heat to extreme cold. In warm weather, perspiration is removed from the skin surface keeping the wearer cool, conversely in cold conditions the natural thermal properties of the fabric allow heat to be retained. Should excess heat occur, the fabric disperses it in the usual manner. 

Our design ensures the under suit will not ride up whilst riding & aid your durability whether skiing or any other energetic activity keeping you fully focused at all times. 

The fabric is light weight & durable keeping the wearer comfortable, the 2 way zip allows easy toilet trips & with a non iron cool wash care instruction simple to look after.

Designed to be worn 365 days a year the extreme racing one piece base layer gives support to key areas with its highly flexible yet supportive fabric blend

Sizing FAQ: if you are in between sizes always go for the next size up, for example 42" chest & 5' 10" Feet tall choose the XL , if you are tall with a small chest size choose the height for sizing.   

Mens chest sizes  

Womens sizes  


32"-36" 71-92cm
max height 5' 6"(168cm)




38"-40" 92-97cm
max height 5' 8"(175cm)




40"-42" 97-100cm 
max height 5' 10" (180cm)




42"-44" 100-105cm
max height 6' 2" (186cm)




44"-46" 105-110cm
max height 6' 4" (190cm)



One piece under suit

Average Rating 4.9 out of 5

One Piece Base Layer

Bought this item of underclothing for summer riding but tried it for a cold weather ride and found it to be very good with a Wind Blocker top as well. The fit is also very good but caution is needed with what size you require as I ordered a size larger that my normal fit and it fitted me like a glove. This garment is excellent value for the price and highly recommended. I look forward to wearing it during the summer.

Zoggie Mar 13 2014, 09:19 am

Excellent service

Excellent service, fast delivery and ace quality. Many thanks!

Darren Apr 20 2013, 05:41 am


great product, best thing ive ever bought

Jim Apr 20 2013, 05:39 am


excellent value for money & really comfortable, 10/10 will use again. Thank you

JS Dec 03 2011, 07:05 am

Excellent kit!

I have undersuits by both EDZ and Extreme Racing. The Extreme suit is slightly thicker than the EDZ and feels much nicer on the skin. Nicely made and comfortable to wear- feels odd now when I don't use it. Recommended.

Richard Jones Oct 09 2011, 13:13 pm

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