Buy Regatta Baselayers online through BHI Workwear or call our sales team to secure the best prices on all bulk orders – 0333 101 4030 Regatta base layers are designed to be worn underneath outer layers to add extra warmth and comfort. Base layers are especially favoured in outdoor working conditions when the weather is cold. You have the option to add a waterproof outer layer with base layer work wear. This versatility is what makes base layer clothing popular with businesses in a variety of industries as their work wear clothing solution. Regatta base layers achieve an excellent balance on price and performance.