Skins Bio A400 Active Compression Long Tights Men's Black

Skins Bio A400 Active Compression Long Tights Men's Black

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Looking for a long tight that’s proven to help improve your performance and reduce your risk of injury?

Our SKINS A400 Men’s Long Tights are constructed using five different technical fabrics and 24 individual panels. These panels follow the natural lines of your muscles and tendons with the seams placed to act as anchor points, offering focused support and stability to major muscle groups.

Are you a keen runner? Well we’ve added 360 degree reflectivity to make sure you’re seen during those early morning or late evening runs. How? By integrating premium reflective glass bead technology into our graphics to make them come alive in low light!

Perform better and recover faster with SKINS’ innovative technology! Our Dynamic Gradient Compression technology increases circulation to deliver more oxygen to your working muscles. The biomechanically placed 70D Memory MX fabric around the knee allows for maximum natural movement without restriction while the balanced 4-way stretch properties allows for minimal force with optimal support over the delicate Achilles tendon. The 210D Memory MX fabric over your ITB & TFL muscle groups reduces pressure whilst ensuring natural function to reduce the risk of injury.

Our A400 Men’s Long Tights also feature A-Seams, which are up to 30% stronger than standard stitching making your SKINS even more durable than before and a perfect addition to  your rugby or footy training kit!

To top it off we’ve included ADAPTIVE Technology to take care of temperature control and moisture management. When it’s cool, the unique polymer binds moisture in to keep you feeling warm. Then when you heat up it releases stored moisture to the surface where it can evaporate, helping your body cool down. How cool’s that!

  • 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

  • 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

  • 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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