Skins Bio A400 Active Compression Half Tights Men's Black

Skins Bio A400 Active Compression Half Tights Men's Black


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Need something shorter than the long tights but still want to support your quads and hammies? Our SKINS A400 Men’s Half Tights have been developed to help improve your performance on the field, in the gym and on the track.

Our A400 Men’s Half Tights are constructed from five different technical fabrics allowing for optimal dynamic gradient compression to your larger leg muscles. They also provide controlled pressure and support to the ITB and TFL muscle groups which are at high risk of injury during running. In short, that means you get better performance with a reduced risk of injury. You’re welcome!

We’ve also added A-Seams for maximum durability without chafing so you can focus on your training drills or run in complete comfort. In addition we’ve included an easily accessible waistband pocket so you can safely and comfortably store a key during your run.

Want to stand out in the dark?  We’ve added 360-degree, premium glass bead reflectivity to make sure you’re seen by other road users in low light conditions.

Give yourself the secret edge by combining these half tights with any A400 top for the ultimate training set.Train harder, perform better and recover faster!

  • 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

  • Muscle Focus

    Uniquely wrapping and supporting your key muscle groups to reduce movement and focus direction for less vibration in your muscles, less soft tissue damage and less soreness after exercise

  • 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

  • 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.



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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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