What's the difference between a base layer and a rash vest?

The differences between a rash vest and a base layer, when you should be wearing them and why.

Men's Stretch Thermaskin Long Underwear Crew Base Layer

Wetsuit Tops + Base Layers - Unisex

Best base layers for running UK 2024

Tênis Mizuno Wave Viper Feminino Preto Salmão Zattini

Layering Guide: How to dress in layers for any weather

Keeping Warm on the Water: Which thermal top should I wear? – Vaikobi

Zerofit Glenn Irwin Heatrub Ultimate Baselayer – Zerofit UK

Lightweight Base Layer Top (8820)

FNDN Heated Skin-Fit Base Layer PRO Top - The Warming Store

Tênis Mizuno Wave Viper Feminino Preto Salmão Zattini

Base Layers - Hot stuff or Polypro, what's the difference

Rash guard - Wikipedia

Do I Need to Wear a Rash Guard While Surfing?

How to Choose a Wetsuit or Rash Guard-Surf Tips For Surfers

Women's Long-sleeved UV Surfing Rash Guard - 100 Black

Volcom Surfwear, Volcom Boardshorts, Rashguards & Clothes

Women's Rash Guards Swimwear - Rip Curl