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SELECTED Thermal Seamless Base Layer Top
SELECTED Thermal Seamless Base Layer Top
SELECTED Thermal Seamless Base Layer Top
SELECTED Thermal Seamless Base Layer Top
SELECTED Thermal Seamless Base Layer Top
SELECTED Thermal Seamless Base Layer Top

Thermal Seamless Base Layer Top


£ 39.00

Product Description

New for this winter the super soft, environmentally friendly base layer thermal top, made using seamless construction. Perfect for those cold winter hikes, staying cosy while camping or just out and about every day.

Developed using the latest fabric technology this base layer top delivers superior thermal insulation, effective anti-bacterial properties and powerful deodorising effects. Form fitting and enhancing the carefully engineered knit panels not only look great and flattering but boost overall garment performance.

Knitted using the latest Nilit Heat yarn technology the base layer fabric is environmentally friendly and provides exemplary moisture management to keep you feeling warm and dry all day long.

The Nilit Heat yarn is made in Europe by integrating coffee charcoal waste (from coffee bean shells) with nylon fibres. The fabric is soft, durable and packed with powerful performance features.

The seamless construction and ergonomic design are not only figure enhancing but technically brilliant. Minimising chafing and delivering maximum next-to-skin comfort the knit panels provide back and underarm ventilation, robust shoulder re-enforcement for backpack wearers and form fitting rib side panels to flatter every figure.

Engineered for the outdoors the base layer top is packed with technical features, soft and functional making it the perfect go-to layer for everyday comfort and outdoor adventures.

Fabric: 60% Polyamid, 35% Polyester, 5% Elastane     

Wash Care: Machine Wash at 30 degrees. Do not bleach, tumble dry or dry clean. Acai recommend washing with similar colours. Lay Flat to Dry.

Key Features and Benefits:

- Super Soft, Warm and Versatile this thermal base layer will keep you toasty through the winter and beyond.

- Ergonomic design and engineered knit construction improves performance and maximises thermal properties.

- Made using Nilit Heat environmentally friendly fabric technology.

- Thumb Loops to keep long sleeves in place.

- Ribbed Neckline and Side Panels for improved fit and increased durability.

- Seamless Construction.

- Made in Portugal


*Orders are despatched Monday to Friday (excluding Bank Holidays)*

*Last orders for Christmas delivery = Friday 20th December*

  • 2nd Class Royal Mail over £20 - Free
  • 2nd Class Royal Mail under £20 - £1.99
  • Royal Mail Tracked 24 including Saturday Delivery (orders placed before 1600 Mon- Fri) - £3.50
  • DPD Next Working Day by Noon (orders placed before 1600 Mon - Fri) - £7.00
  • DPD Next Working Day by 10.30 (orders placed before 1600 Mon - Fri) - £12.00

 **Please note, there are certain postcodes where DPD Next Working Day is not possible, please contact us for a full list**


  • DHL International Express Shipping - 1-2 working days (precise delivery info given before paying for express shipping)
  • DHL International Express Shipping - 1-3 working days (precise delivery info given before paying for express shipping)
All orders placed from Monday to Friday 4pm are despatched within 24 hours. Orders that are placed after 4pm Friday and over the weekend are despatched the following Monday.
Returns & Exchanges 
*Extended returns and exchanges now on for the Christmas period, we will accept returns up to January 31st*
If you would like to return or exchange for another item/size/colour - no problem! We want you to be completely happy with your purchase and will help in any way we can. Go to this link to process your return

To be eligible for a return/refund/exchange, please ensure your item is unworn and in the same condition that you received it. Please make sure the original packaging is undamaged and labels still attached. 
Your item must be returned within 30 days of despatch date.  
Once we have received your parcel we will process your request within 1 - 2 working days. Please allow up to 5 working days for money to come back to your bank account if a refund has been requested.