# Thermo-X S/S Crew - **Brand:** O'Neill - **Price:** $59.95 - **Catalog:** oneill - **Retailer:** oneill - **Product URL:** https://go.cosimo.shop/r/gAAAAABq2_yG8uQFBfDXzESwaNa8k_B2TgeEKPUaPTmzEKENSBnXKEPp-qyPJ6-cOukRGAcC9m9esa0qBAxHvAVviZopOcRLcmFfBMFhYT5B9xsnZlXzbCPvRis9D-qdIuJ_AtqzafsKpscwpdtJVssTERvfXvVNTVgiNN7vejGdTI8cgkzX153yTLEg2AH9iIjHtuyPZALLKMs22sDJaCk2KJLgrCJfGhvFqnUFAlJH0luWDKQrJBCKhx72QR-WXNvwiDSFfUlIaf7kVQ-IHjS1TlUkLzsowXY7Yqy2TvLafW16Be2_5WJ5HwS-WzW565cNrwEiKwaAiTyIRLQIeQE1vHo1aGP2OHufxxqno5YBkEeDIIMYX1lLO8tN_vVgl6hNbnQMbCkb1q8D-pNczhmDTHBAgHR3g0F0IgNuesX8Cy0dWmAh2oM= - **GTIN:** 191015009710 - **Availability:** In stock ## Summary Men's short sleeve black rash guard base layer featuring a crew neck, quick-dry 4-way stretch fabric, and strategic seam placement for wetsuit compatibility. ## Description Thermo-X layering fabrics provide incredible insulation with low bulk and quick-dry properties. 50+ U.P.F. Maximum Protection Base-Layer Insulation Quick Dry 4-Way Stretch Fabric Strategic Seam Placement Rash Protection Super Low Neck: No Interference with Wetsuit Neck Boardshort Connector Cinch Cord Performance Fit: Form-Fitting Tight Layer Fits Like A Second Skin Thermo-X HyperDry: 210gsm Nylon/Spandex with HyperDry Technology For Maximum Insulation and Minimal Water Absorption Flatlock Stitched: Breathable Seams ## Appearance - **Colors:** BLACK - **Sizes:** XS, S, M, L, XL, XXL (per-size availability under Variants) ## Variants - **In stock:** 1 of 6 - **Available:** S - **Color (all variants):** BLACK | Size | SKU | Availability | | --- | --- | --- | | XS | 5021|002|XS | Out of stock | | S | 5021|002|S | In stock | | M | 5021|002|M | Out of stock | | L | 5021|002|L | Out of stock | | XL | 5021|002|XL | Out of stock | | XXL | 5021|002|XXL | Out of stock | ## Categories - **Categories:** MENS WETSUITS ## Additional Attributes - **tags:** 0, 2025-Gift-Guide-Wetsuits, 2025-Gift-Guide-Wetsuits-Snow, 220 G, 5021, 5021-002, 71+, available-for-sale, black, bodyboard, FALL 2020, FALL 2022, FALL 2023, FALL 2024, FALL 2026, group-5021-2-thermo-x-s-s-crew-color-black, keep visible, Layering, male, MENS-2022-GIFT-COLD, MENS-2022-GIFT-GUIDE, mens-uv-protection, mens-wetsuit, NEEDS-ATTRIBUTES, notify-me, Nylon/Spandex, ONMENS, paddle, performance-fit, product-group-5021, pullover, REGULAR PRICE, scuba, Short Sleeve Pullover, size-lg, size-md, size-men-uvprotection, size-sm, size-xl, size-xs, size_men_uvprotection, snorkel, SPRING 2020, SPRING 2021, SPRING 2022, SPRING 2023, SPRING 2024, SPRING 2026, surf, THERMO-X S/S CREW, UPF Protection, UPF Sun Protection, UV Protection, wakeboard, waterski, WETSUITS, YCRF_Wetsuits, YGroup_5021 - **vendor:** O'NEILL WETSUITS - **product type:** MENS WETSUITS - **shopify handle:** 5021-2-thermo-x-s-s-crew ## Enrichment - **Type:** rash guard - **Type Synonyms:** surf shirt, swim shirt, base layer - **Gender:** male - **Age Groups:** adult - **Activewear:** Yes - **Tags:** short sleeve, crew neck, flatlock seams, compression fit, quick-dry - **Styles:** sporty, athletic - **Colors:** black - **Color Families:** Black - **Category Path:** Apparel & Accessories > Clothing > Swimwear > Performance Tops > Rash Guards - **Activity Type:** Swimming - **Fabric:** Synthetic - **General Clothing Features:** Stretchable - **Neckline:** Crew - **Pattern:** Solid - **Performance Features:** Four Way Stretch, Quick Drying, UV Protection - **Sleeve length type:** Short - **Canonical Brand:** O'Neill ## Images - ![Image 1](https://cdn.storerouter.ai/b4ce35ff5587469f54023c680c186862/9e11412fe194d85d6e74d261672653af.webp) - ![Image 2](https://cdn.storerouter.ai/b4ce35ff5587469f54023c680c186862/81c4532287e459b26f31435d9e21931c.webp) --- *Source: cosimo.shop | Product ID: 46924abf-a3f0-552e-abc1-ddf1e53d34be | Canonical URL: https://cosimo.shop/product/oneill/thermo-x-s-s-crew-40a521c3-d77c-4e7b-8dc5-6b05a3c700f1*