XGO Phase 1 Performance Men's Longsleeve Crew OD Green Small 1G11AQ-S-39. Lightweight superior moisture management incredible next-to-skin comfort and durable. Designed to fit regularly for a full range of motion with an unrestricted movement for active situations or any type of outdoor activity. This an ideal high-performance piece that can be a foundation of your layering system or as a stand-alone shirt in the heat. With Acclimate Dry moisture management system and Ag47 antimicrobial/anti-odor you will stay dry comfortable and odor-free during high-exertion activities in warm-to-cool weather. Construction features include Clean Seam flat-seam technology to minimize irritation or chafing and self-fabric collar. Ideal for temps for layering 40 - 60F.Ideal for temps for stand-alone 60F>. Specifications for XGO Phase 1 Performance Men's Longsleeve Crew: Manufacturer: XGO Men's Clothing Size: Small Sleeve Length: Long Sleeve Age Group: Adults Apparel Fit: Relaxed Gender: Male Color: OD Green Application: Baselayer Top Features of XGO Phase 1 Performance Men's Longsleeve Crew Lightweight Performance First or Second Layer - Regular/Relaxed Fit Fabric: 100percent Acclimate Dry Polyester - Eyelet Mesh Body Length (Size Large): 30 / 76 cm Weight: 4.0 oz/sq. yd / 114 grams UPF (Sun Protection) Rating - 35+ Superior Acclimate Dry Moisture Management Ag47 Anti-Microbial Protection Rolled Shoulders and Under Arm Gussets - Increased Mobility / Reduced Irritation Accessible Elastic Thumb loops for added support when needed. Clean Seam Next-To-Skin ComfortExtra Length (Body) Durable Breathable & Wont Shrink Package Contents: XGO Phase 1 Performance Men's Longsleeve Crew Phase 1 Performance Longsleeve Crew