Skins Bio A400 Active Compression Long Tights Women's Black

Skins Bio A400 Active Compression Long Tights Women's Black


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I love these tights!“, „These are the best tights I have ever worn“, „Can I please keep them?” These were some of the statements given when the products were returned to us after the final product tests.

The A400 Women’s Long Tights meet all the criteria expected from long sports tights. They are mainly plain-coloured with subtle reflective graphics allowing you to combine them with your existing wardrobe. Additionally, they feature compression from the calf to the upper thigh muscles. This means that you can carry out your workout more efficiently and your legs recover more quickly after your training. The A400 Women’s Long Tights live up to the name “SKINS”.

ADAPTIVE Technology assists in regulating your body temperature by cooling you down in warm conditions and keeping you warm in the cold. The major seams of the tights consist of so-called A-Seams which provide comfort and durability. The ankle cuffs are not stitched but feature bonded seams which not only optimise compression but also offer supreme comfort. Thanks to the lower rise cut the tights sit comfortably on the hips.

We've also added 360 degree reflectivity so you'll stand out on every level, in any light. by day it's sleek looking graphics made from premium reflective glass bead technology. At night, the graphics come alive to make you visible from up to 160 metres away!

The wide waistband offers a pocket in the back to store your key or your smart phone. Jogging, Yoga, Fitness – the A400 Women’s Long Tights are ideal to be worn for any sport and will always make you look great!

  • Dynamic Gradient Compression

    Increases oxygen delivery to active muscles while in motion and reduces lactic-acid build-up for more power and less recovery time

  • Memory MX

    Memory MX fabric contains a unique high stretch elastomeric yarn – which returns to its original shape no matter how much stress you put it under

  • Warp Knit

    The fabric in SKINS is warp knitted using multiple fine quality yarns to give superior performance - Warp knit fabrics have no natural stretch – instead, the spandex mix ensures specific levels of elasticity and perfectly controlled compression

  • Moisture Management

    Keeping you dry through advanced wicking is inherent in all SKINS fabrics - moisture is drawn away from your skin, so you stay dry and comfortable

  • 50+ UV Protection

    SKINS was born in Australia, so we know a thing or two about exerting ourselves in the sun. Our fabrics have a UV protection of 50+, which means you can get out and train harder without worrying about the sun related risks.

  • 400 Fit

    A super comfortable fit, more precise, targeted Gradient Compression and in some cases, a greater range of leg lengths for men and different body shapes for women

  • ADAPTIVE by HeiQ

    At low temperatures, the unique polymer binds moisture in its structure keeping you feeling warm and dry. As your temperature increases it changes its properties, releasing stored moisture to the surface where it evaporates and cools your skin.


Customer Reviews

"Fantastic product" Review by
Cannot live without them. I use them under trousers for support and in the gym as leggings. They do what they say on the packet: support, compress and give 'longevity to leg use'!
"-" Review by

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Delivery and Returns


SPRINT Next working day FREE on orders over £100
(£6 for orders up to £100)
RUN 2-3 working days FREE on orders over £50
(£3 for orders up to £50)
Royal Mail
CLICK & COLLECT (Glasgow) 1-2 Working days FREE  
SATURDAY DELIVERY 1 working day £12 Royal Mail

Orders received before 2pm (Monday-Friday) are processed on the same day - after 2pm orders will be processed on the next working day.

Click & Collect

Collect your order in person from the achilles heel Glasgow running shop. Orders placed before 2pm will be available for collection on the next working day; orders placed after 2pm will be available for collection in 2 working days. Orders placed over the weekend will be available for collection on the Tuesday.

As soon as your order is ready for collection we will email to let you know. When you collect your order please ensure you bring your order confirmation & identification.

International Delivery

We'll package and post your order to most locations across the world as quickly as we can - for full details of delivery charges for international orders check our delivery charges page.

Spend £200+ and get FREE EU delivery.


At achilles heel we aim to please, so if you're not completely satisfied with your order, we'll do whatever we can to make it better. Items can be returned for free for an exchange or a refund within 28 days of purchase - we offer free & easy tracked returns via Royal Mail, for full details please check our returns page.


It can be hard to get things right so we are giving 28 days from Christmas Day to return your gifts on all orders made during November and December. Our returns policy will revert to the standard 28-day period for items purchased after December 31st.

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