EcoStinger mens stinger suits and dive skins are designed to be more fitted and snug to the body which enhances the figure and provide adequate UV protection. The snug fit full body swimwear is different from regular swimwear and standard clothing sizing, we recommend choosing one size up from your regular swimwear and clothing size. For best fit please follow diagrams and sizing table images. For best fit refer to sizing table image; start with torso measurements and refer to height and weight references if necessary. The right size may not necessary match your regular clothing size. Whenever you want to protect yourself from the sun's UV radiation, this Stinger suit with builtin hood and zipper pocket on left arm will rise to the occasion. you can wear it in the water or out in the sun; made from the best chlorine-resistance fabric worldwide, and stretches in all directions for added comfort and free body movements; feels good on the skin and can withstand heavy usage in sea and chlorinated waters. This sunsuit is designed to protect your skin all day long, and include flatlock stitching and front zipper for easy wear. NO treatment or chemicals added to fabric, it is the way fabric is tightly knitted that provide protection against the sun UVA and UVB radiation all day long. Ecostinger products features: 100% Satisfaction Guarantee - UPF50+ cover blocks over 97.50% of the sun UVA and UVB radiation - Chlorine and Salty waters resistant - Long lasting fabric retaining colors, elasticity and shape for years - Protect against jellyfish stingers, sea lice and other sea creatures - Breathable keeping skin cool even in hot weather conditions - Soft touch on skin and light weight - Quick drying - eco friendly pro environment - can be worn under wetsuit.