Xcel Youth Hybrid Ventx Undershort Hybrid of our breathable 4.5-ounce 4-way performance stretch Ventx fabric, plus a soft stretch fabric center panel for added comfort Rated UPF30 for Very Good sun protection, blocking over 95% of harmful UVA/UVB radiation Comfortable flatlock seams lie flat and smooth against your skin No inseam design helps prevent chafing and rash Moisture wicking, lightweight, and quick drying with a relaxed fit